/* ==========================================================================
   SmartTimetable - Modern Design System (CSS)
   ========================================================================== */

:root {
  --primary: #1a73e8;
  --primary-hover: #1557b0;
  --primary-light: #e8f0fe;
  --primary-dark: #0d47a1;

  --success: #188038;
  --success-light: #e6f4ea;
  --warn: #b06000;
  --warn-light: #fef7e0;
  --danger: #d93025;
  --danger-hover: #b3261e;
  --danger-light: #fce8e6;

  --bg-app: #f8f9fa;
  --bg-card: #ffffff;
  --bg-sidebar: #ffffff;
  --bg-hover: #f1f3f4;
  --border: #dadce0;
  --border-light: #e8eaed;

  --text-main: #1e293b;
  --text-muted: #475569;
  --text-sub: #334155;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 2px rgba(60,64,67,0.1);
  --shadow-md: 0 2px 6px rgba(60,64,67,0.15);
  --shadow-lg: 0 6px 16px rgba(60,64,67,0.18);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

/* ==========================================================================
   TEMA SCURO NATIVO (Dark Theme / Night Mode)
   ========================================================================== */
[data-theme="dark"] {
  --primary: #38bdf8;
  --primary-hover: #0284c7;
  --primary-light: rgba(56, 189, 248, 0.15);
  --primary-dark: #7dd3fc;

  --success: #4ade80;
  --success-light: rgba(74, 222, 128, 0.15);
  --warn: #fbbf24;
  --warn-light: rgba(251, 191, 36, 0.15);
  --danger: #f87171;
  --danger-hover: #ef4444;
  --danger-light: rgba(248, 113, 113, 0.15);

  --bg-app: #090d16;
  --bg-card: #131b2e;
  --bg-sidebar: #0f172a;
  --bg-hover: #1e293b;
  --border: #243049;
  --border-light: #1e293b;

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-sub: #cbd5e1;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);

  scrollbar-color: #334155 #0f172a;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
  background: #0f172a;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: #334155;
  border: 2px solid #0f172a;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background-color: #1e293b;
  color: #f1f5f9;
  border-color: #334155;
}

[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
  border-color: #38bdf8;
}

[data-theme="dark"] .rail-flyout-popover {
  background: #131b2e;
  border-color: #243049;
  box-shadow: 6px 12px 32px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .flyout-header {
  background: #0f172a;
  border-bottom-color: #243049;
}

[data-theme="dark"] .flyout-title {
  color: #38bdf8;
}

[data-theme="dark"] .flyout-item-title {
  color: #f1f5f9;
}

[data-theme="dark"] .flyout-item-desc {
  color: #94a3b8;
}

[data-theme="dark"] .flyout-item:hover {
  background-color: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .modal-dialog {
  background: #131b2e;
  border-color: #243049;
  color: #f1f5f9;
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
  background: #0f172a;
  border-color: #243049;
}

[data-theme="dark"] .topbar-popup-menu {
  background: #131b2e;
  border-color: #243049;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .topbar-popup-item {
  color: #f1f5f9;
}

[data-theme="dark"] .topbar-popup-item:hover {
  background-color: #1e293b;
}

[data-theme="dark"] .table-standard th {
  background-color: #0f172a;
  color: #94a3b8;
  border-bottom-color: #243049;
}

[data-theme="dark"] .table-standard td {
  border-bottom-color: #1e293b;
}

[data-theme="dark"] .table-standard tr:hover td {
  background-color: #1a233a;
}

/* --- TEMA SCURO: PULSANTI AD ALTO CONTRASTO (Incluso Annulla) --- */
[data-theme="dark"] .btn-primary {
  background: #2563eb;
  border: 1.5px solid #3b82f6;
  color: #ffffff;
  font-weight: 600;
}
[data-theme="dark"] .btn-primary:hover {
  background: #1d4ed8;
  border-color: #60a5fa;
}
[data-theme="dark"] .btn-primary:disabled {
  background: #1e293b;
  border-color: #334155;
  color: #64748b;
}

[data-theme="dark"] .btn-sec,
[data-theme="dark"] .btn-secondary {
  background: #1e293b;
  border: 1.5px solid #64748b;
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}
[data-theme="dark"] .btn-sec:hover,
[data-theme="dark"] .btn-secondary:hover {
  background: #334155;
  border-color: #94a3b8;
  color: #ffffff;
}
[data-theme="dark"] .btn-sec:active,
[data-theme="dark"] .btn-secondary:active {
  background: #475569;
}
[data-theme="dark"] .btn-sec:disabled,
[data-theme="dark"] .btn-secondary:disabled {
  background: #0f172a;
  border-color: #1e293b;
  color: #64748b;
  cursor: not-allowed;
}

[data-theme="dark"] .modal-close {
  color: #cbd5e1;
}
[data-theme="dark"] .modal-close:hover {
  background: #1e293b;
  color: #ffffff;
}

[data-theme="dark"] .btn-outline-primary {
  border-color: #38bdf8 !important;
  color: #38bdf8 !important;
  background: rgba(56, 189, 248, 0.12) !important;
}
[data-theme="dark"] .btn-outline-primary:hover {
  background: rgba(56, 189, 248, 0.22) !important;
  color: #7dd3fc !important;
}

[data-theme="dark"] .btn-danger {
  background: #dc2626;
  border: 1.5px solid #ef4444;
  color: #ffffff;
  font-weight: 600;
}
[data-theme="dark"] .btn-danger:hover {
  background: #b91c1c;
  border-color: #f87171;
}

[data-theme="dark"] .btn-success {
  background: #16a34a;
  border: 1.5px solid #22c55e;
  color: #ffffff;
  font-weight: 600;
}
[data-theme="dark"] .btn-success:hover {
  background: #15803d;
  border-color: #4ade80;
}

[data-theme="dark"] .btn-pref-pill,
[data-theme="dark"] .btn-pref-day {
  background: #1e293b;
  border-color: #475569;
  color: #cbd5e1;
}
[data-theme="dark"] .btn-pref-pill:hover,
[data-theme="dark"] .btn-pref-day:hover {
  background: #334155;
  color: #ffffff;
}
[data-theme="dark"] .btn-pref-pill.active {
  background: rgba(37, 99, 235, 0.35);
  border-color: #38bdf8;
  color: #7dd3fc;
}
[data-theme="dark"] .btn-pref-day.active {
  background: rgba(217, 119, 6, 0.3);
  border-color: #f59e0b;
  color: #fde047;
}

[data-theme="dark"] .btn-lock {
  color: #94a3b8;
}

/* --- TEMA SCURO: GRIGLIA ORARIO RISOLTO --- */
[data-theme="dark"] .timetable-grid {
  background: #131b2e;
  border-color: #243049;
}
[data-theme="dark"] .tt-header {
  background: #0c233c !important;
  color: #f1f5f9;
  border-right-color: #243049;
}
[data-theme="dark"] .tt-hour-col {
  background: #0f172a;
  color: #94a3b8;
  border-bottom-color: #243049;
  border-right-color: #243049;
}
[data-theme="dark"] .tt-cell {
  background: #131b2e;
  border-right-color: #243049;
  border-bottom-color: #243049;
  color: #f1f5f9;
}
[data-theme="dark"] .tt-cell:hover {
  background: #1a233a;
}
[data-theme="dark"] .tt-cell.is-break {
  background: #090d16;
  color: #64748b;
}
[data-theme="dark"] .tt-cell.is-institute-break {
  background: repeating-linear-gradient(
    45deg,
    #090d16,
    #090d16 8px,
    #131c2e 8px,
    #131c2e 16px
  );
  color: #64748b;
}
[data-theme="dark"] .lesson-card.centrale {
  background: rgba(30, 58, 138, 0.45);
  border-left-color: #38bdf8;
  color: #f1f5f9;
}
[data-theme="dark"] .lesson-card.succursale {
  background: rgba(180, 83, 9, 0.35);
  border-left-color: #f59e0b;
  color: #fef3c7;
}
[data-theme="dark"] .lesson-card.disposizione {
  background: rgba(109, 40, 217, 0.35);
  border-left-color: #a78bfa;
  color: #ede9fe;
}
[data-theme="dark"] .lesson-card.centrale .lesson-subj {
  color: #bae6fd !important;
}
[data-theme="dark"] .lesson-card.succursale .lesson-subj {
  color: #fde68a !important;
}
[data-theme="dark"] .lesson-card.disposizione .lesson-subj {
  color: #ddd6fe !important;
}
[data-theme="dark"] .lesson-subj {
  color: #f8fafc;
}
[data-theme="dark"] .lesson-meta {
  color: #94a3b8;
}
[data-theme="dark"] .lesson-card.is-locked {
  box-shadow: inset 0 0 0 1.5px #38bdf8;
}
[data-theme="dark"] .tt-cell.drop-target {
  background: rgba(202, 138, 4, 0.25) !important;
  outline-color: #facc15 !important;
}

/* --- TEMA SCURO: GRIGLIE E MATRICE INDISPONIBILITÀ --- */
[data-theme="dark"] .matrix-container {
  background: #131b2e;
  border-color: #243049;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}
[data-theme="dark"] .matrix-table th,
[data-theme="dark"] .matrix-table td {
  border-right-color: #243049;
  border-bottom-color: #243049;
}
[data-theme="dark"] .matrix-table th {
  background: #0f172a;
  color: #cbd5e1;
}
[data-theme="dark"] .matrix-table th.sticky-col,
[data-theme="dark"] .matrix-table td.sticky-col {
  background: #131b2e;
  color: #f1f5f9;
  border-right-color: #334155;
}
[data-theme="dark"] .matrix-table th.sticky-col {
  background: #0f172a;
}
[data-theme="dark"] .matrix-day-header {
  background: #0c233c !important;
  color: #38bdf8 !important;
}
[data-theme="dark"] .matrix-slot-cell.is-avail {
  background: rgba(34, 197, 94, 0.2);
  color: #4ade80;
}
[data-theme="dark"] .matrix-slot-cell.is-unavail {
  background: rgba(239, 68, 68, 0.25);
  color: #f87171;
}
[data-theme="dark"] .matrix-slot-cell.is-break {
  background: #090d16;
  color: #475569;
  background-image: repeating-linear-gradient(45deg, transparent, transparent 5px, rgba(255,255,255,0.03) 5px, rgba(255,255,255,0.03) 10px);
}
[data-theme="dark"] .matrix-row:hover td.matrix-slot-cell.is-avail {
  background-color: rgba(34, 197, 94, 0.32) !important;
}
[data-theme="dark"] .matrix-row:hover td.matrix-slot-cell.is-unavail {
  background-color: rgba(239, 68, 68, 0.38) !important;
}
[data-theme="dark"] .matrix-row:hover td.sticky-col {
  background-color: #1a233a;
}

[data-theme="dark"] .tt-cell.is-available {
  background: rgba(34, 197, 94, 0.12);
  color: #4ade80;
}
[data-theme="dark"] .tt-cell.is-available:hover {
  background: rgba(34, 197, 94, 0.22);
}
[data-theme="dark"] .tt-cell.is-unavailable {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}
[data-theme="dark"] .tt-cell.is-unavailable:hover {
  background: rgba(239, 68, 68, 0.3);
}

/* Protezione da sfondi bianchi che sparano negli slot preferiti */
[data-theme="dark"] .tt-cell.is-preferred {
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.35), rgba(37, 99, 235, 0.25)) !important;
  border: 1.5px dashed #38bdf8 !important;
  color: #7dd3fc !important;
}
[data-theme="dark"] .tt-cell.is-preferred span[style*="color:#1d4ed8"],
[data-theme="dark"] .tt-cell.is-preferred span[style*="color: #1d4ed8"] {
  color: #38bdf8 !important;
}

/* --- TEMA SCURO: TABELLE STANDARD, CARD E CONTENITORI --- */
[data-theme="dark"] .table-container {
  background: #131b2e;
  border-color: #243049;
}
[data-theme="dark"] .data-table th {
  background: #0f172a;
  color: #94a3b8;
  border-bottom-color: #243049;
}
[data-theme="dark"] .data-table td {
  border-bottom-color: #1e293b;
  color: #f1f5f9;
}
[data-theme="dark"] .data-table tr:hover td {
  background-color: #1a233a;
}

[data-theme="dark"] .stat-card-item,
[data-theme="dark"] .constraint-card,
[data-theme="dark"] .macro-card,
[data-theme="dark"] .diagnostics-header,
[data-theme="dark"] .diag-issue-card,
[data-theme="dark"] .advisor-rec-card,
[data-theme="dark"] .advisor-root-cause-box,
[data-theme="dark"] .pref-card,
[data-theme="dark"] .about-credit-card,
[data-theme="dark"] .update-stat-card {
  background: #131b2e;
  border-color: #243049;
  color: #f1f5f9;
}

[data-theme="dark"] .constraint-card:hover,
[data-theme="dark"] .macro-card:hover,
[data-theme="dark"] .pref-card:hover {
  border-color: #38bdf8;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .diag-issue-card.critical {
  background: rgba(239, 68, 68, 0.12);
  border-left-color: #ef4444;
}
[data-theme="dark"] .diag-issue-card.warning {
  background: rgba(245, 158, 11, 0.12);
  border-left-color: #f59e0b;
}
[data-theme="dark"] .diag-issue-card.info {
  background: rgba(59, 130, 246, 0.12);
  border-left-color: #38bdf8;
}

[data-theme="dark"] .advisor-box {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
}
[data-theme="dark"] .advisor-main-title {
  color: #4ade80 !important;
}
[data-theme="dark"] .advisor-main-subtitle {
  color: #a7f3d0 !important;
}
[data-theme="dark"] .advisor-root-cause-box.warn {
  background: rgba(245, 158, 11, 0.18) !important;
  border-left-color: #f59e0b !important;
  border-color: rgba(245, 158, 11, 0.35) !important;
  color: #fde047 !important;
}
[data-theme="dark"] .advisor-root-cause-box.warn b,
[data-theme="dark"] .advisor-root-cause-box.warn p {
  color: #fde047 !important;
}
[data-theme="dark"] .advisor-root-cause-box.err {
  background: rgba(239, 68, 68, 0.2) !important;
  border-left-color: #ef4444 !important;
  border-color: rgba(239, 68, 68, 0.35) !important;
  color: #fca5a5 !important;
}
[data-theme="dark"] .advisor-root-cause-box.err b,
[data-theme="dark"] .advisor-root-cause-box.err p {
  color: #fca5a5 !important;
}
[data-theme="dark"] .advisor-rec-desc {
  color: #e2e8f0;
}

[data-theme="dark"] .segmented-control {
  background: #0f172a;
  border-color: #243049;
}
[data-theme="dark"] .segmented-btn {
  color: #94a3b8;
}
[data-theme="dark"] .segmented-btn:hover {
  color: #f1f5f9;
}
[data-theme="dark"] .segmented-btn.active {
  background: #1e293b;
  color: #38bdf8;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .block-badge {
  background: #1e293b;
  color: #cbd5e1;
  border-color: #334155;
}
[data-theme="dark"] .block-badge.block-default {
  background: #1e293b;
  color: #f1f5f9;
  border-color: #334155;
}
[data-theme="dark"] .block-badge.block-exception {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.4);
}

[data-theme="dark"] .percorso-btn-group {
  background: #0f172a;
  border-color: #243049;
}
[data-theme="dark"] .percorso-btn {
  color: #94a3b8;
}
[data-theme="dark"] .percorso-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #f1f5f9;
}

[data-theme="dark"] .quick-filter-bar {
  background: #0f172a;
}
[data-theme="dark"] .class-chips-container {
  background: #131b2e;
  border-color: #243049;
}
[data-theme="dark"] .class-chip {
  background: #1e293b;
  border-color: #334155;
  color: #f1f5f9;
}
[data-theme="dark"] .class-chip:hover {
  background: #334155;
}
[data-theme="dark"] .class-chip.active {
  background: rgba(37, 99, 235, 0.35);
  border-color: #38bdf8;
  color: #7dd3fc;
}

[data-theme="dark"] .pref-section-box {
  background: #0f172a;
  border-color: #243049;
}
[data-theme="dark"] .pref-section-title {
  color: #f1f5f9;
}
[data-theme="dark"] .pref-card.selected {
  background: rgba(37, 99, 235, 0.3);
  border-color: #38bdf8;
}
[data-theme="dark"] .pref-card-title {
  color: #f1f5f9;
}
[data-theme="dark"] .pref-weight-btn,
[data-theme="dark"] .pref-day-btn {
  background: #1e293b;
  border-color: #334155;
  color: #cbd5e1;
}
[data-theme="dark"] .pref-weight-btn:hover,
[data-theme="dark"] .pref-day-btn:hover {
  background: #334155;
  color: #ffffff;
}

[data-theme="dark"] .table-select,
[data-theme="dark"] .table-num-input {
  background-color: #1e293b;
  color: #f1f5f9;
  border-color: #334155;
}
[data-theme="dark"] .table-num-input:focus {
  border-color: #38bdf8;
  background-color: #0f172a;
}

[data-theme="dark"] .timetable-stepper-wrap {
  background: #131b2e;
  border-color: #243049;
}

[data-theme="dark"] .nav-return-bar {
  background: #131b2e;
  border-color: #243049;
}
[data-theme="dark"] .nav-back-btn:hover {
  background: rgba(56, 189, 248, 0.15);
  color: #7dd3fc;
}

[data-theme="dark"] .modal-notice {
  background: #0f172a;
  border-color: #243049;
  color: #cbd5e1;
}
[data-theme="dark"] .modal-notice-info {
  background: rgba(37, 99, 235, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
  color: #93c5fd;
}
[data-theme="dark"] .about-banner {
  background: #0f172a;
  border-color: #243049;
}
[data-theme="dark"] .day-hours-box {
  background: #131b2e;
  border-color: #243049;
}
[data-theme="dark"] .param-table th {
  background: #0f172a;
  color: #f1f5f9;
}

/* Badges e chip in tema scuro */
[data-theme="dark"] .badge-coe {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.4);
}
[data-theme="dark"] .badge-spezzone {
  background: rgba(13, 148, 136, 0.2);
  color: #2dd4bf;
  border-color: rgba(13, 148, 136, 0.4);
}
[data-theme="dark"] .badge-pt {
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.4);
}
[data-theme="dark"] .badge-intera {
  background: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
  border-color: rgba(148, 163, 184, 0.3);
}
[data-theme="dark"] .badge-disp {
  background: rgba(147, 51, 234, 0.2);
  color: #c084fc;
  border-color: rgba(147, 51, 234, 0.4);
}
[data-theme="dark"] .badge-no-rientri {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.4);
}
[data-theme="dark"] .badge-pref-prime {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border-color: rgba(59, 130, 246, 0.4);
}
[data-theme="dark"] .badge-pref-ultime {
  background: rgba(249, 115, 22, 0.2);
  color: #fb923c;
  border-color: rgba(249, 115, 22, 0.4);
}
[data-theme="dark"] .item-chip {
  background: #1e293b;
  color: #e2e8f0;
  border-color: #334155;
}
[data-theme="dark"] .item-chip.primary {
  background: rgba(37, 99, 235, 0.2);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.35);
}
[data-theme="dark"] .item-chip.warn {
  background: rgba(245, 158, 11, 0.2);
  color: #fde047;
  border-color: rgba(245, 158, 11, 0.35);
}
[data-theme="dark"] .preset-pill {
  background: #1e293b;
  border-color: #475569;
  color: #cbd5e1;
}
[data-theme="dark"] .preset-pill:hover {
  background: #334155;
  color: #ffffff;
}
[data-theme="dark"] .group-badge {
  background: #1e293b;
  border-color: #334155;
  color: #f1f5f9;
}
[data-theme="dark"] .sub-act-pill {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}
[data-theme="dark"] .stat-card-title {
  background: #1e293b;
  color: #f1f5f9;
}
[data-theme="dark"] .app-page-footer {
  background: #131b2e;
  border-color: #243049;
  color: #94a3b8;
}
[data-theme="dark"] .badge-ver {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}

/* Sidebar navigation in tema scuro */
[data-theme="dark"] .nav-item {
  color: #cbd5e1;
}
[data-theme="dark"] .nav-item:hover {
  background-color: #1e293b;
  color: #f8fafc;
}
[data-theme="dark"] .nav-item.active {
  background-color: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  font-weight: 600;
}
[data-theme="dark"] .nav-group-header {
  color: #94a3b8;
}
[data-theme="dark"] .nav-group-header:hover {
  background-color: #1e293b;
  color: #f8fafc;
}
[data-theme="dark"] .nav-group-header.has-active-child {
  background-color: rgba(56, 189, 248, 0.12);
  color: #38bdf8;
}
[data-theme="dark"] .nav-group-items {
  background: rgba(30, 41, 59, 0.45);
}
[data-theme="dark"] .nav-group-items .nav-item {
  color: #94a3b8;
}
[data-theme="dark"] .nav-group-items .nav-item::before,
[data-theme="dark"] .nav-group-items .nav-item::after {
  background: #475569;
}
[data-theme="dark"] .nav-group-items .nav-item:hover::before,
[data-theme="dark"] .nav-group-items .nav-item:hover::after {
  background: #64748b;
}
[data-theme="dark"] .nav-group-items .nav-item.active::before,
[data-theme="dark"] .nav-group-items .nav-item.active::after {
  background: #38bdf8;
}
[data-theme="dark"] .sidebar-wrapper.collapsed .rail-submenu-indicator {
  background: #1e293b;
  border-color: #475569;
  color: #94a3b8;
}
[data-theme="dark"] .sidebar-wrapper.collapsed .nav-group-header.has-active-child {
  background-color: rgba(56, 189, 248, 0.18) !important;
  color: #38bdf8 !important;
  box-shadow: 0 0 0 2px #38bdf8, 0 2px 6px rgba(56, 189, 248, 0.35) !important;
}
[data-theme="dark"] .sidebar-wrapper.collapsed .nav-group-header.has-active-child::before {
  background: #38bdf8 !important;
}
[data-theme="dark"] .sidebar-wrapper.collapsed .nav-group-header.has-active-child .rail-submenu-indicator {
  background: #0284c7 !important;
  border-color: #38bdf8 !important;
  color: #ffffff !important;
}
[data-theme="dark"] .sidebar-wrapper.collapsed .nav-item.active {
  background-color: rgba(56, 189, 248, 0.18) !important;
  color: #38bdf8 !important;
  box-shadow: 0 0 0 2px #38bdf8, 0 2px 6px rgba(56, 189, 248, 0.35) !important;
}
[data-theme="dark"] .sidebar-wrapper.collapsed .nav-item.active::before {
  background: #38bdf8 !important;
}

/* Protezione universale da stili inline bianchi/chiari che sparano in Dark Mode */
[data-theme="dark"] [style*="background:#f8fafc"],
[data-theme="dark"] [style*="background: #f8fafc"],
[data-theme="dark"] [style*="background:#f1f5f9"],
[data-theme="dark"] [style*="background: #f1f5f9"],
[data-theme="dark"] [style*="background:#ffffff"],
[data-theme="dark"] [style*="background: #ffffff"],
[data-theme="dark"] [style*="background:#fff;"],
[data-theme="dark"] [style*="background: #fff;"],
[data-theme="dark"] [style*="background:white"],
[data-theme="dark"] [style*="background: white"] {
  background-color: #131b2e !important;
  color: #f1f5f9;
  border-color: #243049 !important;
}

[data-theme="dark"] [style*="background:#eff6ff"],
[data-theme="dark"] [style*="background: #eff6ff"] {
  background-color: rgba(37, 99, 235, 0.18) !important;
  color: #93c5fd !important;
  border-color: rgba(59, 130, 246, 0.35) !important;
}

[data-theme="dark"] [style*="background:#f0fdf4"],
[data-theme="dark"] [style*="background: #f0fdf4"] {
  background-color: rgba(34, 197, 94, 0.15) !important;
  color: #86efac !important;
  border-color: rgba(34, 197, 94, 0.3) !important;
}

[data-theme="dark"] [style*="background:#fffbeb"],
[data-theme="dark"] [style*="background: #fffbeb"] {
  background-color: rgba(245, 158, 11, 0.15) !important;
  color: #fde047 !important;
  border-color: rgba(245, 158, 11, 0.3) !important;
}

[data-theme="dark"] [style*="background:#fef2f2"],
[data-theme="dark"] [style*="background: #fef2f2"] {
  background-color: rgba(239, 68, 68, 0.15) !important;
  color: #fca5a5 !important;
  border-color: rgba(239, 68, 68, 0.3) !important;
}

* { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
  scrollbar-width: thin;
  scrollbar-color: #94a3b8 #f1f5f9;
}

/* --- VISIBLE SCROLLBAR SYSTEM (UX/UI Standard per visualizzazioni ampie) --- */
::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
  border: 2px solid #f1f5f9;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}
::-webkit-scrollbar-thumb:active {
  background: #64748b;
}

body {
  font-family: var(--font);
  background-color: var(--bg-app);
  color: var(--text-main);
  height: 100vh;
  display: flex;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.4;
}

/* ==========================================================================
   ACCESSIBILITÀ WCAG 2.1 / 2.2 AA (AgID & Legge Stanca)
   ========================================================================== */

/* WCAG 2.4.1: Skip to main content link (visibile solo alla pressione di Tab) */
.skip-link {
  position: absolute;
  top: -120px;
  left: 16px;
  background: var(--primary);
  color: #ffffff !important;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 13.5px;
  z-index: 999999;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  transition: top 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  outline: 2px solid #ffffff;
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 14px;
}

/* WCAG 2.4.7: Focus Visible - Indicatore accessibile per navigazione da tastiera */
:focus-visible {
  outline: 2px solid var(--primary) !important;
  outline-offset: 2px !important;
}

[data-theme="dark"] :focus-visible {
  outline: 2px solid #38bdf8 !important;
  outline-offset: 2px !important;
}

/* Rimuove l'outline SOLO quando l'interazione avviene con il mouse (click) */
button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
input:focus:not(:focus-visible),
select:focus:not(:focus-visible),
textarea:focus:not(:focus-visible) {
  outline: none;
}

/* Logo brand nella sidebar */
.sidebar-logo-img {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 6px;
  display: block;
}

/* --- APP LAYOUT --- */
.app-container {
  display: flex;
  width: 100%;
  height: 100%;
}

/* Sidebar Backdrop (Mobile Drawer Overlay Scrim) */
.sidebar-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  z-index: 998;
  opacity: 0;
  transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.sidebar-backdrop.active {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   GOOGLE WORKSPACE / CLASSROOM NAVIGATION DRAWER
   Standard Material Design 3 con Hamburger, Fissaggio Aperto/Chiuso (Pin)
   e Hover Flyout Fluido Senza Layout Shift (Zero Page Movement)
   ========================================================================== */

/* Layout Wrapper: Riserva lo spazio di griglia fisso evitando scatti alla pagina */
.sidebar-wrapper {
  position: relative;
  width: 250px;
  flex-shrink: 0;
  height: 100%;
  transition: width 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: visible;
  z-index: 100;
}

.sidebar-wrapper.collapsed {
  width: 64px;
}

/* Sidebar Drawer */
.sidebar {
  position: relative;
  width: 250px;
  height: 100%;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  user-select: none;
  transition: width 0.22s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10;
  overflow-x: hidden;
  overflow-y: hidden;
}

/* Modalità Mini-Rail Collapsed (Fissato Chiuso a 64px) */
.sidebar-wrapper.collapsed .sidebar,
.sidebar.collapsed {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 64px;
  border-right: 1px solid var(--border);
  box-shadow: none;
  z-index: 900;
}

/* Google Hamburger Button (Stile Google Classroom / Workspace) */
.google-hamburger-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #5f6368;
  flex-shrink: 0;
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.15s ease;
  padding: 0;
  outline: none;
}

.google-hamburger-btn:hover {
  background-color: rgba(60, 64, 67, 0.08);
  color: #202124;
}

.google-hamburger-btn:active {
  background-color: rgba(60, 64, 67, 0.16);
  transform: scale(0.94);
}

.google-hamburger-btn .hamburger-svg {
  fill: currentColor;
  display: block;
}

/* Pulsante Pin (Fissaggio Aperto/Chiuso) */
.sidebar-pin-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #70757a;
  flex-shrink: 0;
  transition: all 0.18s ease;
  padding: 0;
  outline: none;
}

.sidebar-pin-btn:hover {
  background-color: rgba(60, 64, 67, 0.08);
  color: #1a73e8;
}

.sidebar-pin-btn .pin-svg {
  fill: currentColor;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
}

.sidebar-pin-btn.pinned {
  background-color: #e8f0fe;
  color: #1a73e8;
}

.sidebar-pin-btn.pinned .pin-svg {
  transform: rotate(0deg);
  opacity: 1;
}

.sidebar-pin-btn:not(.pinned) .pin-svg {
  transform: rotate(45deg);
  opacity: 0.7;
}

/* Header della Sidebar */
.sidebar-header {
  padding: 0 14px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 64px;
  height: 64px;
  box-sizing: border-box;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  flex: 1;
}

.sidebar-logo {
  font-size: 20px;
  flex-shrink: 0;
}

.sidebar-titles {
  overflow: hidden;
  white-space: nowrap;
}

.sidebar-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: -0.2px;
}

.sidebar-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

/* Comportamento Header in stato compresso vs aperto */
.sidebar-wrapper.collapsed .sidebar-header {
  padding: 0;
  justify-content: center;
}

.sidebar-wrapper.collapsed .sidebar-brand,
.sidebar-wrapper.collapsed .sidebar-pin-btn {
  display: none !important;
}

.sidebar-wrapper:not(.collapsed) .sidebar-header {
  padding: 0 14px;
  justify-content: space-between;
}

.sidebar-wrapper:not(.collapsed) .sidebar-brand {
  display: flex !important;
}

.sidebar-wrapper:not(.collapsed) .sidebar-pin-btn {
  display: inline-flex !important;
}

/* Sezioni di Navigazione */
.sidebar-nav {
  padding: 6px 0;
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Scrollbar sottile ed elegante Material 3 */
.sidebar-nav::-webkit-scrollbar {
  width: 5px;
}
.sidebar-nav::-webkit-scrollbar-track {
  background: transparent;
}
.sidebar-nav::-webkit-scrollbar-thumb {
  background: #dadce0;
  border-radius: 4px;
}
.sidebar-nav::-webkit-scrollbar-thumb:hover {
  background: #bdc1c6;
}

/* Divisore tra funzioni rapide e categorie con sottomenu */
.nav-rail-divider {
  height: 1px;
  background: var(--border-light);
  margin: 6px 14px;
}

.sidebar-wrapper.collapsed .nav-rail-divider {
  width: 28px;
  height: 1px;
  background: var(--border-light);
  margin: 6px auto;
}

/* Gruppi Comprimibili (Accordion MD3 su sidebar aperta / Icone con Flyout su Rail 64px) */
.nav-group {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
}

/* Header di Sezione con Accordion Toggle (Ingombro costante) */
.nav-group-header {
  position: relative;
  height: 34px;
  min-height: 34px;
  max-height: 34px;
  margin: 5px 8px 1px 8px;
  padding: 0 10px;
  border: none;
  background: rgba(0, 0, 0, 0.025);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  box-sizing: border-box;
  flex-shrink: 0;
  color: #475569;
  transition: background-color 0.15s ease, color 0.15s ease;
  outline: none;
}

/* Indicatore visuale "padre con sottomenu" (freccina › in basso a destra nel rail collassato) */
.rail-submenu-indicator {
  display: none !important;
}

.sidebar-wrapper.collapsed .rail-submenu-indicator {
  display: inline-flex !important;
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #ffffff;
  border: 1.5px solid #cbd5e1;
  color: #64748b;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  pointer-events: none;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.sidebar-wrapper.collapsed .nav-group-header:hover .rail-submenu-indicator,
.sidebar-wrapper.collapsed .nav-group-header.flyout-open .rail-submenu-indicator {
  background: #1967d2;
  border-color: #ffffff;
  color: #ffffff;
  transform: scale(1.1);
}

.sidebar-wrapper.collapsed .nav-group-header.has-active-child .rail-submenu-indicator {
  background: #1967d2;
  border-color: #ffffff;
  color: #ffffff;
}

.nav-group-header:hover {
  background-color: rgba(60, 64, 67, 0.08);
  color: #202124;
}

.nav-group-icon {
  font-size: 16px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 8px;
  flex-shrink: 0;
}

.nav-group-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  text-align: left;
}

.nav-group-chevron {
  flex-shrink: 0;
  color: #5f6368;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Stato Collapsed dell'Accordion (Sidebar Aperta) */
.nav-group.collapsed .nav-group-chevron {
  transform: rotate(-90deg);
}

.nav-group.collapsed .nav-group-items {
  display: none !important;
}

/* Voci interne al gruppo: Albero Gerarchico Padre-Figlio con Rientro, Connettore T (├──) e Chiusura ad L (└──) */
.nav-group-items {
  display: flex;
  flex-direction: column;
  position: relative;
  margin: 2px 10px 6px 18px;
  padding: 4px 0 4px 2px;
  background: rgba(241, 245, 249, 0.45);
  border-radius: 0 10px 10px 0;
  gap: 2px;
}

/* Voce Figlia (Sub-item) */
.nav-group-items .nav-item {
  position: relative;
  height: 34px !important;
  min-height: 34px !important;
  max-height: 34px !important;
  margin: 1px 4px 1px 16px !important;
  padding: 0 10px 0 8px !important;
  border-radius: 8px !important;
  font-size: 12.5px !important;
  font-weight: 500;
  gap: 8px !important;
  color: #475569;
}

/* Connettore verticale continuo (tronco dell'albero) */
.nav-group-items .nav-item::after {
  content: "";
  position: absolute;
  left: -11px;
  top: -2px;
  width: 2px;
  height: calc(100% + 4px);
  background: #cbd5e1;
  pointer-events: none;
  transition: background-color 0.15s ease;
}

/* Connettore a ramo orizzontale (Tree Branch ─) */
.nav-group-items .nav-item::before {
  content: "";
  position: absolute;
  left: -11px;
  top: 50%;
  width: 10px;
  height: 2px;
  background: #cbd5e1;
  pointer-events: none;
  transition: background-color 0.15s ease, width 0.15s ease;
}

/* ULTIMO ELEMENTO: Termina a forma di L (└──) senza proseguire verso il basso */
.nav-group-items .nav-item:last-child::after {
  top: -2px;
  height: calc(50% + 2px);
  border-bottom-left-radius: 4px;
}

/* In Dropup Group (es. Sistema & Configurazione): il menu si sviluppa verso l'alto */
/* L'ultimo menu dell'albero è quello in alto (:first-child), mentre quello in basso (:last-child) prosegue verso l'header */
.nav-group.dropup-group .nav-group-items .nav-item:last-child::after {
  top: -2px;
  height: calc(100% + 4px);
  border-bottom-left-radius: 0;
}

.nav-group.dropup-group .nav-group-items .nav-item:first-child::after {
  top: 50%;
  height: calc(50% + 2px);
  border-top-left-radius: 4px;
  border-bottom-left-radius: 0;
}

.nav-group-items .nav-item:hover {
  background-color: rgba(37, 99, 235, 0.08) !important;
  color: #1e40af !important;
}

.nav-group-items .nav-item:hover::before,
.nav-group-items .nav-item:hover::after {
  background: #94a3b8;
}

.nav-group-items .nav-item.active {
  background-color: #e0edff !important;
  color: #1d4ed8 !important;
  font-weight: 700 !important;
}

.nav-group-items .nav-item.active::before,
.nav-group-items .nav-item.active::after {
  background: #2563eb;
}

.nav-group-items .nav-item.active::before {
  height: 2.5px;
}

.nav-group-items .nav-item .nav-icon {
  font-size: 15px !important;
  width: 20px !important;
  height: 20px !important;
}

.nav-group-items .nav-item .nav-label {
  font-size: 12.5px !important;
}

/* Sezione Fissa in Basso a Sinistra: Sistema & Configurazione */
.sidebar-bottom-nav {
  flex-shrink: 0;
  padding: 0 0 2px 0;
  display: flex;
  flex-direction: column;
}

.sidebar-wrapper.collapsed .sidebar-bottom-nav {
  padding: 0 0 2px 0;
}

/* Modalità Dropup in Basso: le voci interne si aprono verso l'alto */
.nav-group.dropup-group {
  display: flex;
  flex-direction: column-reverse;
}

.nav-group.dropup-group.collapsed .nav-group-chevron {
  transform: rotate(180deg);
}

.nav-group.dropup-group:not(.collapsed) .nav-group-chevron {
  transform: rotate(0deg);
}

/* In Mini-Rail Collapsed (64px): il gruppo diventa un pulsante icona circolare centrato (40px) */
.sidebar-wrapper.collapsed .nav-group-header {
  width: 40px;
  height: 40px;
  min-height: 40px;
  max-height: 40px;
  margin: 3px auto;
  padding: 0;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  box-sizing: border-box;
}

.sidebar-wrapper.collapsed .nav-group-title,
.sidebar-wrapper.collapsed .nav-group-chevron {
  display: none !important;
}

.sidebar-wrapper.collapsed .nav-group-icon {
  font-size: 18px;
  width: 24px;
  height: 24px;
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Quando la rail è collassata a 64px, le voci inline del gruppo sono nascoste: vengono servite dal Popover Flottante */
.sidebar-wrapper.collapsed .nav-group-items {
  display: none !important;
}

/* Evidenziazione categoria su rail quando il popover è aperto o ha un figlio attivo */
.nav-group-header.flyout-open {
  background-color: #e8f0fe !important;
  color: #1967d2 !important;
}

.nav-group-header.has-active-child {
  background-color: #eff6ff;
  color: #1d4ed8;
  font-weight: 700;
  border-left: 4px solid #2563eb;
}

.sidebar-wrapper.collapsed .nav-group-header.has-active-child {
  background-color: #dbeafe !important;
  color: #1d4ed8 !important;
  border-radius: 12px !important;
  box-shadow: 0 0 0 2px #2563eb, 0 2px 6px rgba(37, 99, 235, 0.35) !important;
  position: relative;
}

.sidebar-wrapper.collapsed .nav-group-header.has-active-child::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 8px;
  bottom: 8px;
  width: 4px;
  background: #2563eb;
  border-radius: 0 4px 4px 0;
}

/* Voci di Menu Pill Google Material 3 (Ingombro verticale: 3px top + 40px height + 3px bottom = 46px) */
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 40px;
  min-height: 40px;
  max-height: 40px;
  margin: 3px 8px;
  padding: 0 12px;
  border-radius: 20px;
  color: #3c4043;
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
  box-sizing: border-box;
  user-select: none;
  flex-shrink: 0;
}

.nav-item:hover {
  background-color: #f1f3f4;
  color: #202124;
}

.nav-item.active {
  background-color: #e8f0fe;
  color: #1967d2;
  font-weight: 600;
}

.nav-icon {
  font-size: 18px;
  width: 24px;
  height: 24px;
  text-align: center;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

/* Adattamento Voci di Menu in Mini-Rail (64px) */
.sidebar-wrapper.collapsed .nav-item {
  width: 40px;
  height: 40px;
  margin: 3px auto;
  padding: 0;
  justify-content: center;
  border-radius: 50%;
}

.sidebar-wrapper.collapsed .nav-item .nav-label,
.sidebar-wrapper.collapsed .nav-item .badge,
.sidebar-wrapper.collapsed .nav-item .badge-pending-count {
  display: none !important;
}

.sidebar-wrapper.collapsed .nav-item.active {
  background-color: #dbeafe !important;
  color: #1d4ed8 !important;
  border-radius: 12px !important;
  box-shadow: 0 0 0 2px #2563eb, 0 2px 6px rgba(37, 99, 235, 0.35) !important;
  position: relative;
}

.sidebar-wrapper.collapsed .nav-item.active::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 8px;
  bottom: 8px;
  width: 4px;
  background: #2563eb;
  border-radius: 0 4px 4px 0;
}

/* Footer Sidebar Compatto a Riga Singola (Altezza: 36px) */
.sidebar-footer {
  height: 36px;
  min-height: 36px;
  max-height: 36px;
  padding: 0 12px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-sidebar);
  box-sizing: border-box;
  flex-shrink: 0;
}

.sidebar-status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 8px;
}

.sidebar-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #e6f4ea;
  color: #137333;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 12px;
  letter-spacing: -0.1px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  user-select: none;
}

.sidebar-status-badge:hover {
  filter: brightness(0.96);
}

.sidebar-status-badge.status-update-available {
  background: #fef3c7 !important;
  color: #b45309 !important;
  border: 1px solid #fde68a !important;
  cursor: pointer !important;
  box-shadow: 0 1px 3px rgba(180, 83, 9, 0.12);
}

.sidebar-status-badge.status-update-available:hover {
  background: #fde68a !important;
  color: #92400e !important;
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(180, 83, 9, 0.22) !important;
}

.status-indicator-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #1e8e3e;
  display: inline-block;
  box-shadow: 0 0 0 2px rgba(30, 142, 62, 0.2);
  transition: background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
  vertical-align: middle;
}

.status-indicator-dot.dot-green {
  background-color: #1e8e3e;
  box-shadow: 0 0 0 2px rgba(30, 142, 62, 0.2);
}

.status-indicator-dot.dot-orange-blinking {
  background-color: #f59e0b;
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.35);
  animation: blinkUpdate 1.35s infinite ease-in-out;
}

@keyframes blinkUpdate {
  0%, 100% {
    opacity: 0.35;
    transform: scale(0.9);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.18);
  }
  50% {
    opacity: 1;
    transform: scale(1.22);
    box-shadow: 0 0 0 5px rgba(245, 158, 11, 0.45);
  }
}

.footer-ver-tag {
  font-size: 11px;
  font-weight: 500;
  color: #80868b;
  letter-spacing: -0.1px;
}

.footer-info-btn {
  background: none;
  border: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #70757a;
  padding: 0;
  transition: background-color 0.15s ease, color 0.15s ease;
  outline: none;
}

.footer-info-btn:hover {
  background-color: rgba(60, 64, 67, 0.1);
  color: #1a73e8;
}

/* In Mini-Rail 64px, il footer mostra solo il pallino verde centrato */
.sidebar-wrapper.collapsed .sidebar-footer {
  height: 36px;
  padding: 0;
  justify-content: center;
}

.sidebar-wrapper.collapsed .sidebar-status-row {
  justify-content: center;
  width: 100%;
}

.sidebar-wrapper.collapsed .footer-ver-tag,
.sidebar-wrapper.collapsed .footer-info-btn,
.sidebar-wrapper.collapsed .status-indicator-text {
  display: none !important;
}

.sidebar-wrapper.collapsed .sidebar-status-badge {
  background: transparent;
  padding: 0;
  justify-content: center;
}

.sidebar-wrapper.collapsed .status-indicator-dot {
  width: 8px;
  height: 8px;
}

/* --- FLOATING FLYOUT SUBMENU POPOVER (Mini-Rail 64px) --- */
.rail-flyout-popover {
  position: fixed;
  left: 64px;
  width: 310px;
  max-width: calc(100vw - 80px);
  background: #ffffff;
  border: 1px solid var(--border);
  border-left: none; /* Perfetto aggancio alla linea destra del rail a 64px */
  border-radius: 0 14px 14px 0;
  box-shadow: 6px 12px 32px rgba(15, 23, 42, 0.18), 0 2px 8px rgba(15, 23, 42, 0.08);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  overflow: visible;
  animation: flyoutSlideIn 0.18s cubic-bezier(0.2, 0, 0, 1) forwards;
  box-sizing: border-box;
}

@keyframes flyoutSlideIn {
  from {
    opacity: 0;
    transform: translateX(-8px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.rail-flyout-popover.popover-upward {
  animation: flyoutSlideUp 0.18s cubic-bezier(0.2, 0, 0, 1) forwards;
  transform-origin: bottom left;
}

@keyframes flyoutSlideUp {
  from {
    opacity: 0;
    transform: translate(-8px, 12px);
  }
  to {
    opacity: 1;
    transform: translate(0, 0);
  }
}

/* Area di passaggio continua sicura (Zero Dead Zone tra icona del rail e pannello) */
.rail-flyout-popover::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: -16px;
  width: 16px;
  height: auto;
  min-height: 100%;
  background: transparent;
  pointer-events: auto;
}

.flyout-header {
  height: 44px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-light);
  background: #f8fafc;
  border-radius: 0 13px 0 0;
  user-select: none;
  box-sizing: border-box;
}

.flyout-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}

.flyout-icon {
  font-size: 17px;
  flex-shrink: 0;
}

.flyout-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.flyout-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.flyout-pin-badge {
  font-size: 10px;
  font-weight: 600;
  background: #e0f2fe;
  color: #0284c7;
  padding: 2px 7px;
  border-radius: 8px;
  letter-spacing: -0.1px;
}

.flyout-close-btn {
  background: none;
  border: none;
  color: #64748b;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  padding: 0;
  transition: background-color 0.15s ease, color 0.15s ease;
  outline: none;
}

.flyout-close-btn:hover {
  background-color: rgba(60, 64, 67, 0.1);
  color: #1e293b;
}

.flyout-items-container {
  padding: 6px 0;
  max-height: 460px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* Elemento Voce nel Flyout: Icona + Titolo + Descrizione Estesa */
.flyout-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 9px 12px;
  margin: 2px 8px;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  background: transparent;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
  outline: none;
  box-sizing: border-box;
}

.flyout-item:hover,
.flyout-item:focus-visible {
  background-color: #f1f5f9;
  border-color: #e2e8f0;
}

.flyout-item.active {
  background-color: #eff6ff !important;
  border-left: 4px solid #2563eb !important;
  border-color: #bfdbfe;
}

.flyout-item.active .flyout-item-title {
  color: #1d4ed8 !important;
  font-weight: 700 !important;
}

.flyout-active-badge {
  display: inline-flex;
  align-items: center;
  background: #2563eb;
  color: #ffffff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 10px;
  margin-left: auto;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.flyout-item-icon {
  font-size: 20px;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.flyout-item-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.flyout-item-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.flyout-item-title {
  font-size: 13px;
  font-weight: 600;
  color: #1e293b;
  line-height: 1.3;
}

.flyout-item.active .flyout-item-title {
  color: #1d4ed8;
  font-weight: 700;
}

.flyout-item-desc {
  font-size: 11.5px;
  color: #64748b;
  line-height: 1.35;
  margin-top: 2px;
}

.flyout-item.active .flyout-item-desc {
  color: #2563eb;
}

.flyout-item-chevron {
  color: #94a3b8;
  flex-shrink: 0;
  margin-top: 6px;
  transition: transform 0.15s ease, color 0.15s ease;
}

.flyout-item:hover .flyout-item-chevron {
  color: #2563eb;
  transform: translateX(2px);
}

.app-page-footer {
  margin-top: auto;
  padding: 14px 28px;
  border-top: 1px solid var(--border-light);
  font-size: 11.5px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--bg-card);
}

.badge-ver {
  display: inline-block;
  background: #e0f2fe;
  color: #0369a1;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid #bae6fd;
}

/* Main Content Area */
.main-wrapper {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.topbar {
  height: 52px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  flex-shrink: 0;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-info-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: all 0.18s ease;
  padding: 0;
  outline: none;
}

.topbar-info-btn:hover {
  background-color: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.topbar-info-btn:active {
  transform: scale(0.94);
}

/* --- TOPBAR CONTROLS (Language & Theme Selectors) --- */
.topbar-btn {
  height: 36px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
  outline: none;
  box-sizing: border-box;
}

.topbar-btn:hover {
  background-color: var(--bg-hover);
  border-color: var(--primary);
  color: var(--primary);
}

.topbar-btn:active {
  transform: scale(0.95);
}

.topbar-pill-btn {
  padding: 0 12px;
  gap: 6px;
  font-size: 12px;
}

.topbar-icon-btn {
  width: 36px;
  padding: 0;
  font-size: 16px;
}

.lang-selector-dropdown,
.theme-selector-dropdown {
  position: relative;
}

.topbar-popup-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.18), 0 2px 8px rgba(15, 23, 42, 0.08);
  min-width: 175px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 1100;
  animation: flyoutSlideIn 0.15s cubic-bezier(0.2, 0, 0, 1) forwards;
}

.topbar-popup-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: var(--text-main);
  font-size: 12.5px;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  transition: background-color 0.12s ease, color 0.12s ease;
  width: 100%;
}

.topbar-popup-item:hover {
  background-color: var(--primary-light);
  color: var(--primary);
}

.popup-check {
  margin-left: auto;
  font-weight: 700;
  color: var(--primary);
  font-size: 13px;
}

.content-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 24px;
}

/* --- COMPONENTS & CARDS --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.stat-val {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 4px;
}

.stat-lbl {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 15px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  outline: none;
  transition: all 0.15s ease;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { background: var(--border); color: var(--text-sub); cursor: not-allowed; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-danger:disabled { background: var(--border); color: var(--text-sub); cursor: not-allowed; }

.btn-sec,
.btn-secondary { 
  background: #f1f5f9; 
  border: 1.5px solid #94a3b8; 
  color: #0f172a; 
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
.btn-sec:hover,
.btn-secondary:hover { 
  background: #e2e8f0; 
  border-color: #64748b;
  color: #020617;
}
.btn-sec:active,
.btn-secondary:active {
  background: #cbd5e1;
}
.btn-sec:disabled,
.btn-secondary:disabled {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: #94a3b8;
  cursor: not-allowed;
}

.btn-outline-primary {
  border: 1.5px solid #2563eb;
  color: #1d4ed8;
  font-weight: 600;
  background: #eff6ff;
}
.btn-outline-primary:hover {
  background: #dbeafe;
  color: #1e40af;
}

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #137333; }

.btn-sm { padding: 4px 10px; font-size: 12px; }

/* Utilities Componenti Modali & Schede */
.modal-notice {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 12.5px;
  color: var(--text-main);
  line-height: 1.45;
}

.modal-notice-info {
  background: var(--primary-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 11.5px;
  color: var(--text-main);
  line-height: 1.45;
}

.about-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  flex-wrap: wrap;
  gap: 8px;
}

.about-credit-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.update-stat-card {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
}

/* Badges */
.badge {
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.badge-ok { background: var(--success-light); color: var(--success); }
.badge-warn { background: var(--warn-light); color: var(--warn); }
.badge-err { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--primary-light); color: var(--primary); }

/* Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 650px;
}

.data-table th {
  background: var(--bg-hover);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 2;
}

.data-table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tr:hover td {
  background-color: var(--bg-hover);
}

/* Search and Filters */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  gap: 12px;
  flex-wrap: wrap;
}

.search-input {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  width: 260px;
  outline: none;
}
.search-input:focus { border-color: var(--primary); }

.select-input {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  outline: none;
  background: var(--bg-card);
  color: var(--text-main);
}

/* Responsive Scroll Wrapper per Griglie Orario & Indisponibilità (UX/UI Standard) */
.grid-scroll-wrapper {
  width: 100%;
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  padding-bottom: 3px;
}

/* Timetable Canvas Grid */
.timetable-grid {
  display: grid;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  min-width: 720px;
}

.tt-header {
  background: #1f4e78;
  color: #fff;
  font-weight: 600;
  text-align: center;
  padding: 8px 4px;
  border-right: 1px solid rgba(255,255,255,0.2);
}

.tt-hour-col {
  background: #f1f3f4;
  color: var(--text-muted);
  font-weight: 600;
  text-align: center;
  padding: 12px 6px;
  border-bottom: 1px solid var(--border-light);
  border-right: 1px solid var(--border);
}

.tt-cell {
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 6px;
  min-height: 52px;
  background: var(--bg-card);
  transition: background 0.15s;
}

.tt-cell:hover {
  background: var(--bg-hover);
}

.tt-cell.is-break {
  background: #f5f5f5;
  color: #888;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tt-cell.is-unavailable {
  background: #fce8e6;
  color: #c5221f;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.tt-cell.is-available {
  cursor: pointer;
}

.lesson-card {
  background: #e8f0fe;
  border-left: 3px solid #1a73e8;
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 11px;
  margin-bottom: 4px;
}

.lesson-card.centrale {
  border-left-color: #1a73e8;
  background: #e8f0fe;
}

.lesson-card.succursale {
  border-left-color: #e37400;
  background: #fef7e0;
}

.lesson-card.disposizione {
  border-left-color: #8b5cf6;
  background: #f5f3ff;
  border-left-width: 4px;
}

.lesson-card.disposizione .lesson-subj {
  color: #6d28d9;
}

.lesson-card.is-locked {
  box-shadow: inset 0 0 0 1.5px #2563eb;
}

.btn-lock {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0 2px;
  font-size: 11px;
  line-height: 1;
  opacity: 0.3;
  transition: opacity 0.15s, transform 0.15s;
}

.btn-lock:hover {
  opacity: 1;
  transform: scale(1.2);
}

.btn-lock.locked {
  opacity: 1;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.15));
}

.lesson-subj {
  font-weight: 600;
  color: #202124;
}

.lesson-meta {
  font-size: 10px;
  color: #5f6368;
  display: flex;
  justify-content: space-between;
  margin-top: 2px;
}

/* Console terminal */
.console {
  background: #0f172a;
  color: #e2e8f0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
  height: 380px;
  overflow-y: auto;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid #1e293b;
  white-space: pre-wrap;
  word-break: break-all;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.4);
}

/* Progress bar */
.bar-bg {
  height: 16px;
  background: #e8eaed;
  border-radius: 8px;
  overflow: hidden;
  margin: 12px 0 6px;
}

.fill {
  height: 100%;
  width: 0%;
  background: var(--primary);
  transition: width 0.3s ease;
}

.fill.ok { background: var(--success); }
.fill.warn { background: var(--warn); }
.fill.err { background: var(--danger); }

/* --- MOBILE & TOPBAR CONTROLS --- */
/* --- NAV BACK BUTTON & RETURN BAR --- */
.nav-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--primary);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.nav-back-btn:hover {
  background: #eff6ff;
  border-color: var(--primary);
  color: #1d4ed8;
  transform: translateX(-1px);
}
.nav-return-bar {
  margin-bottom: 14px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 6px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.topbar-mobile-btn {
  display: none;
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  margin-right: 8px;
  color: var(--text-main);
}

/* --- SEGMENTED CONTROL (Vista Cattedre vs Dettaglio FET) --- */
.segmented-control {
  display: inline-flex;
  background: #f1f3f4;
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
  border: 1px solid var(--border);
}

.segmented-btn {
  border: none;
  background: transparent;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: calc(var(--radius-sm) - 1px);
  cursor: pointer;
  color: var(--text-sub);
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.segmented-btn.active {
  background: var(--bg-card);
  color: var(--primary);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.block-badge {
  display: inline-block;
  background: #f1f5f9;
  color: #334155;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid #cbd5e1;
  transition: all 0.15s ease;
}

.block-badge.block-default {
  background: #f8fafc;
  color: #1e293b;
  border: 1px solid #cbd5e1;
}

.block-badge.block-exception {
  background: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
  font-weight: 700;
  box-shadow: 0 1px 2px rgba(180, 83, 9, 0.08);
}

.exc-tag {
  display: inline-block;
  font-size: 9.5px;
  padding: 1px 5px;
  background: #f59e0b;
  color: #ffffff;
  border-radius: 3px;
  margin-left: 4px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  vertical-align: middle;
}

.sub-acts-tag {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* SOTTO-ATTIVITÀ FET CLICCABILI */
.sub-act-pill {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px 7px;
  margin: 1px 2px;
  background: #e0f2fe;
  color: #0369a1;
  border: 1px solid #bae6fd;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.sub-act-pill:hover {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
  transform: translateY(-1px);
  box-shadow: 0 2px 5px rgba(2, 132, 199, 0.3);
}

@keyframes rowPulse {
  0% { background-color: #fef08a; box-shadow: 0 0 0 3px #facc15 inset; }
  40% { background-color: #fef9c3; box-shadow: 0 0 0 2px #fde047 inset; }
  100% { background-color: transparent; box-shadow: none; }
}

.row-highlight-pulse {
  animation: rowPulse 2.8s ease-out;
}

/* PILL SEZIONI PERCORSI (LICEO / TECNICO / PROFESSIONALE) */
.percorso-btn-group {
  display: inline-flex;
  border-radius: var(--radius-sm);
  background: #f1f5f9;
  padding: 2px;
  border: 1px solid var(--border);
}

.percorso-btn {
  border: none;
  background: transparent;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.percorso-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.6);
}

.percorso-btn.active.liceo {
  background: #3b82f6;
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(59, 130, 246, 0.3);
}

.percorso-btn.active.tecnico {
  background: #059669;
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(5, 150, 105, 0.3);
}

.percorso-btn.active.professionale {
  background: #8b5cf6;
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(139, 92, 246, 0.3);
}

/* --- INDISPONIBILITÀ AVANZATA (Pausa Istituto e Liceo) --- */
.tt-cell.is-institute-break {
  background: repeating-linear-gradient(
    45deg,
    #f8f9fa,
    #f8f9fa 8px,
    #f1f3f4 8px,
    #f1f3f4 16px
  );
  color: #9aa0a6;
  font-size: 10px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: not-allowed;
  user-select: none;
}

.badge-liceo {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
}

/* --- VISTA IMPOSTAZIONI & VINCOLI --- */
.settings-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.settings-tab {
  padding: 10px 18px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-weight: 500;
  color: var(--text-sub);
  cursor: pointer;
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.15s ease;
}

.settings-tab:hover {
  color: var(--primary);
}

.settings-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 16px;
}

.constraint-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.constraint-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.constraint-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
}

.constraint-title {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-main);
}

.constraint-desc {
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 14px;
}

.constraint-ctrls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-light);
  padding-top: 12px;
}

/* Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 22px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #cbd5e1;
  transition: .2s;
  border-radius: 22px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .2s;
  border-radius: 50%;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

input:checked + .slider {
  background-color: var(--primary);
}

input:checked + .slider:before {
  transform: translateX(16px);
}

.num-input {
  width: 65px;
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font-mono);
  text-align: center;
  font-weight: 600;
}

.day-hours-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
  flex: 1;
}

.day-hours-box-name {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}

/* ==========================================================================
   MODALI & FINESTRE DI ASSEGNAZIONE
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
  animation: fadeIn 0.15s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-dialog {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  animation: slideUp 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from { transform: translateY(16px) scale(0.98); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-hover);
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  line-height: 1;
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-main);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: var(--bg-hover);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-hint {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: normal;
}

.form-select, .form-input, .form-textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
  background: var(--bg-card);
  color: var(--text-main);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-select:focus, .form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
}

.preset-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.preset-pill {
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  padding: 5px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: #334155;
  transition: all 0.15s ease;
}

.preset-pill:hover {
  background: #e2e8f0;
  border-color: #94a3b8;
}

.preset-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* Badge gruppo articolato */
.group-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  color: #1e293b;
  font-size: 11.5px;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 500;
  margin: 2px 4px 2px 0;
}

.group-badge .del-btn {
  cursor: pointer;
  color: #94a3b8;
  font-size: 12px;
  line-height: 1;
}

.group-badge .del-btn:hover {
  color: var(--danger);
}

.btn-add-group {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  color: var(--primary);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  cursor: pointer;
}

.btn-add-group:hover {
  background: #eff6ff;
  border-color: var(--primary);
}

/* Docente chip / compresenza */
.co-teachers-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.teacher-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #e0f2fe;
  color: #0369a1;
  border: 1px solid #bae6fd;
  padding: 3px 8px;
  border-radius: 14px;
  font-size: 11.5px;
  font-weight: 500;
}

.teacher-chip .remove-chip {
  cursor: pointer;
  color: #0284c7;
  font-weight: bold;
}

.teacher-chip .remove-chip:hover {
  color: #b91c1c;
}

/* --- TOAST NOTIFICATIONS --- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: #1f2937;
  color: #f9fafb;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: slideInRight 0.25s ease;
  transition: opacity 0.3s ease;
}

.toast.ok {
  background: #065f46;
  color: #ecfdf5;
  border-left: 4px solid #10b981;
}

.toast.warn {
  background: #92400e;
  color: #fef3c7;
  border-left: 4px solid #f59e0b;
}

.toast.err {
  background: #991b1b;
  color: #fef2f2;
  border-left: 4px solid #ef4444;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* --- INLINE TABLE CONTROLS --- */
.table-select {
  padding: 4px 8px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: #fff;
  color: var(--text-main);
  cursor: pointer;
  transition: border-color 0.15s;
}

.table-select:focus {
  border-color: var(--primary);
  outline: none;
}

.table-num-input {
  width: 65px;
  padding: 4px 6px;
  font-size: 12.5px;
  font-weight: 600;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: #fff;
  color: var(--text-main);
  transition: all 0.15s;
}

.table-num-input:focus {
  border-color: var(--primary);
  background-color: #eff6ff;
  outline: none;
}

/* --- INFO BANNER --- */
.info-banner {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-left: 4px solid #16a34a;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 13px;
  color: #166534;
  line-height: 1.5;
}

.info-banner-blue {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-left: 4px solid #2563eb;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 13px;
  color: #1e40af;
  line-height: 1.5;
}

/* --- STATS CARDS GRID --- */
.stat-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.stat-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.stat-card-stats {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12.5px;
  color: var(--text-sub);
}

.stat-card-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  background: #f3f4f6;
  border-radius: 12px;
  font-weight: 600;
  font-size: 11.5px;
  color: #374151;
}

/* --- CHIPS & TAGS --- */
.item-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #e2e8f0;
  padding: 2px 7px;
  border-radius: 12px;
  font-size: 11.5px;
  font-weight: 500;
}

.item-chip.primary {
  background: #eff6ff;
  color: #1e40af;
  border-color: #dbeafe;
}

.item-chip.warn {
  background: #fffbeb;
  color: #b45309;
  border-color: #fde68a;
}

.badge-lab {
  background: #ede9fe;
  color: #6d28d9;
  border: 1px solid #ddd6fe;
  font-weight: 600;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
}

.badge-gym {
  background: #ffedd5;
  color: #c2410c;
  border: 1px solid #fed7aa;
  font-weight: 600;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
}

.badge-flag-transfer {
  background: #fee2e2;
  color: #b91c1c;
  border: 1px solid #fecaca;
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* Clickable Dashboard Stats */
.stat-box.clickable {
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.stat-box.clickable:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(15, 63, 107, 0.12);
  border-color: var(--primary);
}

.stat-box-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
}

/* Excel-Style Full Availability Matrix (UX/UI Standard: Freeze Panes & Visible Bottom Scrollbar) */
.matrix-container {
  width: 100%;
  overflow-x: auto !important;
  overflow-y: auto !important;
  max-height: calc(100vh - 270px);
  min-height: 400px;
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  -webkit-overflow-scrolling: touch;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.matrix-table {
  width: 100%;
  min-width: 1200px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 11.5px;
}

.matrix-table th, .matrix-table td {
  padding: 5px 6px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.matrix-table th {
  background: var(--bg-hover);
  position: sticky;
  top: 0;
  z-index: 10;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
}

.matrix-table th.sticky-col,
.matrix-table td.sticky-col {
  position: sticky;
  left: 0;
  z-index: 11;
  background: var(--bg-card);
  text-align: left;
  font-weight: 600;
  min-width: 170px;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-right: 2px solid #cbd5e1;
}

.matrix-table th.sticky-col {
  z-index: 20;
  background: #e2e8f0;
}

.matrix-day-header {
  background: #1e3a5f !important;
  color: #fff !important;
  font-size: 11.5px;
  text-align: center;
  padding: 5px 4px;
}

.matrix-slot-cell {
  cursor: pointer;
  user-select: none;
  min-width: 26px;
  height: 26px;
  transition: all 0.12s ease;
  font-weight: 700;
  font-size: 11px;
}

.matrix-slot-cell.is-avail {
  background: #f0fdf4;
  color: #166534;
}

.matrix-slot-cell.is-unavail {
  background: #fee2e2;
  color: #dc2626;
  font-weight: 800;
}

.matrix-slot-cell.is-break {
  background: #f8fafc;
  color: #94a3b8;
  cursor: not-allowed;
  font-size: 9px;
  background-image: repeating-linear-gradient(45deg, transparent, transparent 5px, rgba(0,0,0,0.03) 5px, rgba(0,0,0,0.03) 10px);
}

.matrix-slot-cell:hover:not(.is-break) {
  filter: brightness(0.9);
  transform: scale(1.05);
}

.matrix-row:hover td.matrix-slot-cell.is-avail {
  background-color: rgba(34, 197, 94, 0.28) !important;
}
.matrix-row:hover td.matrix-slot-cell.is-unavail {
  background-color: rgba(239, 68, 68, 0.28) !important;
}
.matrix-row:hover td.sticky-col {
  background-color: #f1f5f9;
}

/* Badge Cattedre: COE, Part-Time, Disposizione (D) */
.badge-coe {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
  font-weight: 700;
  font-size: 10.5px;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 4px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.badge-pt {
  background: #e0f2fe;
  color: #0369a1;
  border: 1px solid #bae6fd;
  font-weight: 700;
  font-size: 10.5px;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 4px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.badge-spezzone {
  background: #fdf2f8;
  color: #9d174d;
  border: 1px solid #fbcfe8;
  font-weight: 700;
  font-size: 10.5px;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 4px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.badge-intera {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  font-weight: 700;
  font-size: 10.5px;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 4px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.sub-act-tag-static {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  color: var(--text-muted);
  padding: 2px 6px;
  background: #f1f5f9;
  border-radius: 4px;
  border: 1px solid var(--border);
  display: inline-block;
}

.badge-disp {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #f5f3ff;
  color: #6d28d9;
  border: 1px solid #ddd6fe;
  padding: 2px 7px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.radio-pill {
  transition: all 0.15s ease;
}
.radio-pill:hover {
  background: #f8fafc;
  border-color: var(--primary) !important;
}
.radio-pill input[type="radio"]:checked + span {
  color: var(--primary);
}

/* Badge Materie & Ore Preferite */
.badge-no-rientri {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.badge-pref-prime {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.badge-pref-ultime {
  background: #fff7ed;
  color: #c2410c;
  border: 1px solid #fed7aa;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.badge-gym-module {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.badge-lab-module {
  background: #f5f3ff;
  color: #6d28d9;
  border: 1px solid #ddd6fe;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

/* Card Accorpamenti & Macro-Materie */
.macro-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  transition: all 0.15s ease;
}

.macro-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.param-table {
  width: 100%;
  border-collapse: collapse;
}

.param-table th, .param-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-light);
  font-size: 12.5px;
}

.param-table th {
  background: #f8fafc;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
}

.param-help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #e2e8f0;
  color: #475569;
  font-size: 10px;
  cursor: help;
  margin-left: 6px;
  font-weight: 700;
}

/* ============================================================================
   STILI DI STAMPA (@media print)
   ============================================================================ */
@media print {
  @page {
    size: A4 landscape;
    margin: 10mm;
  }

  body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 11px !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  /* Nascondi elementi di navigazione e controlli interfaccia */
  .sidebar,
  .topbar,
  .toolbar,
  .btn,
  .modal-overlay,
  .sidebar-toggle-btn,
  .topbar-mobile-btn,
  #sidebarStatusBadge,
  .footer-ver {
    display: none !important;
  }

  .app-container {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    overflow: visible !important;
  }

  .main-wrapper {
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    height: auto !important;
    overflow: visible !important;
  }

  .content-body {
    padding: 0 !important;
    margin: 0 !important;
    overflow: visible !important;
  }

  .card, .timetable-card {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important;
  }

  .print-only {
    display: block !important;
  }

  .print-title {
    text-align: center;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid #1e293b;
  }

  .timetable-grid {
    border: 1px solid #64748b !important;
    page-break-inside: avoid;
    break-inside: avoid;
    width: 100% !important;
  }

  .tt-header {
    background: #e2e8f0 !important;
    color: #0f172a !important;
    font-weight: 700 !important;
    border-color: #94a3b8 !important;
    padding: 6px 4px !important;
    text-align: center;
  }

  .tt-hour-col {
    background: #f1f5f9 !important;
    font-weight: 700 !important;
    color: #1e293b !important;
    border-color: #cbd5e1 !important;
  }

  .tt-cell {
    border-color: #cbd5e1 !important;
    padding: 2px !important;
  }

  .tt-cell.is-break, .tt-hour-col.is-break {
    background: #f8fafc !important;
    color: #64748b !important;
  }

  .lesson-card {
    border: 1px solid #94a3b8 !important;
    box-shadow: none !important;
    padding: 4px 6px !important;
    margin-bottom: 2px !important;
  }

  .lesson-card.centrale {
    background: #f8fafc !important;
    border-left: 3px solid #2563eb !important;
  }

  .lesson-card.succursale {
    background: #fffbeb !important;
    border-left: 3px solid #d97706 !important;
  }

  .lesson-card.disposizione {
    background: #faf5ff !important;
    border-left: 3px solid #7c3aed !important;
  }

  .lesson-subj {
    color: #0f172a !important;
    font-weight: 700 !important;
    font-size: 11px !important;
  }

  .lesson-meta {
    color: #334155 !important;
    font-size: 10px !important;
    font-weight: 600 !important;
  }
}







/* ==========================================================================
   AUTHENTICATION & ACCESS MANAGEMENT (OAuth Google & Whitelist Approval)
   ========================================================================== */

.auth-screen-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: radial-gradient(circle at top, rgba(30, 41, 59, 0.96) 0%, rgba(15, 23, 42, 0.98) 100%);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeInAuth 0.25s ease-out;
}

@keyframes fadeInAuth {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

.auth-card {
  background: var(--bg-card, #ffffff);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  max-width: 480px;
  width: 100%;
  padding: 36px 32px;
  text-align: center;
}

.auth-card-header {
  margin-bottom: 24px;
}

.auth-card-logo {
  font-size: 42px;
  display: inline-block;
  margin-bottom: 8px;
}

.auth-card-header h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main, #0f172a);
  margin: 0 0 4px 0;
}

.auth-card-subtitle {
  font-size: 13px;
  color: var(--text-muted, #64748b);
  margin: 0;
}

.auth-banner-info {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
  font-size: 12.5px;
  line-height: 1.5;
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 24px;
  text-align: left;
}

.google-btn-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 50px;
  margin: 16px 0;
}

.google-config-notice {
  background: #fffbeb;
  border: 1px solid #fef3c7;
  color: #92400e;
  padding: 10px 12px;
  border-radius: 8px;
  margin: 12px 0;
  text-align: left;
  font-size: 12px;
}

.auth-divider {
  display: flex;
  align-items: center;
  margin: 20px 0;
  color: #94a3b8;
  font-size: 12px;
}

.auth-divider::before, .auth-divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid #e2e8f0;
}

.auth-divider span {
  padding: 0 10px;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.emergency-login-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 8px 12px;
  text-align: left;
}

.emergency-toggle {
  font-size: 12.5px;
  font-weight: 600;
  color: #475569;
  cursor: pointer;
  padding: 4px 0;
  user-select: none;
}

.emergency-form {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.auth-error-msg {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  font-size: 12.5px;
  padding: 10px;
  border-radius: 8px;
  margin-top: 16px;
  text-align: left;
}

/* Pending State */
.pending-icon-wrap {
  margin: 10px 0 16px 0;
}

.pending-pulse {
  font-size: 48px;
  display: inline-block;
  animation: pulseWait 2s infinite ease-in-out;
}

@keyframes pulseWait {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); opacity: 0.8; }
}

.pending-title {
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 16px;
}

.pending-user-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 16px;
}

.pending-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid #3b82f6;
  object-fit: cover;
}

.pending-name {
  font-weight: 700;
  color: #1e293b;
  font-size: 14px;
  text-align: left;
}

.pending-email {
  font-size: 12px;
  color: #64748b;
  text-align: left;
}

.pending-text {
  font-size: 13.5px;
  color: #475569;
  line-height: 1.5;
  margin-bottom: 16px;
}

.pending-status-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #b45309;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.auth-status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #f59e0b;
  border-radius: 50%;
  animation: blink 1.2s infinite ease-in-out;
  vertical-align: middle;
}

@keyframes blink {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}

.auth-actions-row {
  display: flex;
  justify-content: center;
  gap: 10px;
}

/* Topbar User Pill */
.user-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  padding: 3px 6px 3px 10px;
  margin-left: 8px;
}

.user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
}

.user-name {
  font-size: 12px;
  font-weight: 600;
  color: #1e293b;
  max-width: 140px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.badge-role {
  font-size: 10px;
  text-transform: uppercase;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 6px;
  background: #e0e7ff;
  color: #3730a3;
}

.btn-logout {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 2px 4px;
  border-radius: 4px;
  transition: background 0.15s;
}

.btn-logout:hover {
  background: #fee2e2;
}

.badge-pending-count {
  background: #dc2626;
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 10px;
  margin-left: 4px;
  box-shadow: 0 0 8px rgba(220, 38, 38, 0.6);
  animation: pulseBadge 1.5s infinite;
}

@keyframes pulseBadge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* Access Modal Tabs & Rows */
.access-tabs-nav {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid #e2e8f0;
  margin-bottom: 20px;
  padding-bottom: 8px;
}

.access-tab-btn {
  background: transparent;
  border: none;
  font-size: 13.5px;
  font-weight: 600;
  color: #64748b;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}

.access-tab-btn:hover {
  background: #f1f5f9;
  color: #0f172a;
}

.access-tab-btn.active {
  background: #e0e7ff;
  color: #3730a3;
}

.badge-count {
  background: #ef4444;
  color: white;
  padding: 2px 7px;
  border-radius: 10px;
  font-size: 11px;
  margin-left: 4px;
}

.users-list-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 480px;
  overflow-y: auto;
}

.user-item-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px 16px;
  transition: border-color 0.15s;
}

.user-item-card:hover {
  border-color: #cbd5e1;
}

.user-card-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.user-card-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #cbd5e1;
  background: #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.user-card-info {
  min-width: 0;
}

.user-card-name {
  font-weight: 700;
  font-size: 14px;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 6px;
}

.user-card-email {
  font-size: 12px;
  color: #64748b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-card-meta {
  font-size: 11px;
  color: #94a3b8;
  margin-top: 2px;
}

.user-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ==========================================================================
   FASE 2: PRE-VALIDATORE E ADVISOR INTELLIGENTE DEI VINCOLI
   ========================================================================== */
.diagnostics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.health-gauge-box {
  display: flex;
  align-items: center;
  gap: 16px;
}

.health-gauge-score {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}

.health-gauge-score.ok {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.health-gauge-score.warn {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.health-gauge-score.err {
  background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
}

.diag-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.diag-tab-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-main);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
}

.diag-tab-btn:hover {
  background: var(--bg-hover);
  border-color: #cbd5e1;
}

.diag-tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.diag-issue-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 12px;
  transition: box-shadow 0.15s, border-color 0.15s;
}

.diag-issue-card:hover {
  box-shadow: var(--shadow-sm);
}

.diag-issue-card.critical {
  border-left: 4px solid #ef4444;
  background: #fffafa;
}

.diag-issue-card.warning {
  border-left: 4px solid #f59e0b;
  background: #fffdf5;
}

.diag-issue-card.info {
  border-left: 4px solid #3b82f6;
  background: #fbfdff;
}

.advisor-box {
  background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 22px;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.08);
}

.advisor-rec-card {
  background: var(--bg-card);
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 1px 4px rgba(16, 185, 129, 0.08);
}

.advisor-rec-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.advisor-rec-desc {
  margin: 0;
  font-size: 13px;
  color: var(--text-main);
  line-height: 1.45;
}

.advisor-rec-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.advisor-main-title {
  color: #065f46;
}
.advisor-main-subtitle {
  color: #047857;
}

.advisor-root-cause-box {
  background: var(--bg-card);
  border-left: 4px solid #10b981;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 14px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
.advisor-root-cause-box.warn {
  border-left-color: #f59e0b;
  background: #fffbeb;
  color: #92400e;
}
.advisor-root-cause-box.warn b,
.advisor-root-cause-box.warn p {
  color: #92400e;
}
.advisor-root-cause-box.err {
  border-left-color: #ef4444;
  background: #fef2f2;
  color: #991b1b;
}
.advisor-root-cause-box.err b,
.advisor-root-cause-box.err p {
  color: #991b1b;
}

.badge-level-1 {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
  font-weight: 700;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
}
.badge-level-2 {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
  font-weight: 700;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
}
.badge-level-3 {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
  font-weight: 700;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
}

.preflight-solver-banner {
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.preflight-solver-banner.ok {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #14532d;
}

.preflight-solver-banner.warn {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #78350f;
}

.preflight-solver-banner.critical {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* ==========================================================================
   STILI MODALI STAMPE & SELEZIONE CLASSI (Procedure 9 e 12)
   ========================================================================== */
.btn-xs {
  padding: 3px 8px;
  font-size: 11px;
  border-radius: 4px;
}

.quick-filter-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
  background: #f1f5f9;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.class-chips-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
  gap: 6px;
  max-height: 160px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px;
  background: var(--bg-card);
}

.class-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 11.5px;
  cursor: pointer;
  user-select: none;
  transition: all 0.12s;
}

.class-chip:hover {
  background: #e2e8f0;
}

.class-chip.active {
  background: #eff6ff;
  border-color: #3b82f6;
  color: #1d4ed8;
  font-weight: 600;
}

.class-chip input[type="checkbox"] {
  cursor: pointer;
  margin: 0;
}

.class-chip .chip-sub {
  font-size: 9px;
  color: #64748b;
}

/* --- PREFERENZE & DESIDERATA ORARIO DOCENTI --- */
.pref-section-box {
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 14px;
  margin-bottom: 14px;
}

.pref-section-title {
  font-size: 13.5px;
  font-weight: 700;
  color: #1e293b;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.pref-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

@media (max-width: 640px) {
  .pref-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pref-card {
  background: var(--bg-card);
  border: 1.5px solid #cbd5e1;
  border-radius: 8px;
  padding: 12px 10px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  user-select: none;
}

.pref-card:hover {
  border-color: #3b82f6;
  background: #f8fafc;
  transform: translateY(-1px);
}

.pref-card.selected {
  border-color: #2563eb;
  background: #eff6ff;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.25);
}

.pref-card-icon {
  font-size: 22px;
  line-height: 1;
}

.pref-card-title {
  font-size: 12px;
  font-weight: 700;
  color: #0f172a;
}

.pref-card-desc {
  font-size: 10.5px;
  color: #64748b;
  line-height: 1.25;
}

.pref-pills-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.pref-weight-btn {
  padding: 5px 12px;
  border: 1.5px solid #cbd5e1;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  background: var(--bg-card);
  color: #475569;
  cursor: pointer;
  transition: all 0.12s;
}

.pref-weight-btn:hover {
  background: #f1f5f9;
}

.pref-weight-btn.active {
  background: #2563eb;
  border-color: #2563eb;
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.25);
}

.pref-day-btn {
  padding: 6px 14px;
  border: 1.5px solid #cbd5e1;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  background: var(--bg-card);
  color: #334155;
  cursor: pointer;
  transition: all 0.12s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.pref-day-btn:hover {
  background: #f1f5f9;
}

.pref-day-btn.is-first {
  background: #fef3c7;
  border-color: #d97706;
  color: #92400e;
  box-shadow: 0 1px 3px rgba(217, 119, 6, 0.2);
}

.pref-day-btn.is-second {
  background: #e0f2fe;
  border-color: #0284c7;
  color: #0369a1;
  box-shadow: 0 1px 3px rgba(2, 132, 199, 0.2);
}

.teacher-pref-banner {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  padding: 10px 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.tt-cell.is-preferred {
  background: linear-gradient(135deg, rgba(239, 246, 255, 0.95), rgba(219, 234, 254, 0.95));
  border: 1.5px dashed #3b82f6 !important;
}

.badge-pref-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 12px;
  font-size: 10.5px;
  font-weight: 700;
  white-space: nowrap;
}

.badge-pref-prime {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
}

.badge-pref-ultime {
  background: #ede9fe;
  color: #6d28d9;
  border: 1px solid #ddd6fe;
}

.badge-pref-bilanciato {
  background: #e0f2fe;
  color: #0369a1;
  border: 1px solid #bae6fd;
}

.badge-pref-freeday {
  background: #dcfce7;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

/* Desktop: Topbar hamburger è nascosto perché c'è già il pulsante Google nel menu laterale */
@media (min-width: 769px) {
  .topbar-hamburger-btn {
    display: none !important;
  }
}

/* --- RESPONSIVE LAYOUT & SIDEBAR BREAKPOINTS (Standard Moderno UX/UI) --- */
/* Mobile Drawer (< 768px) */
@media (max-width: 768px) {
  .topbar-hamburger-btn {
    display: inline-flex !important;
    margin-right: 8px;
  }

  /* Backdrop: overlay scuro pulito senza filtri blur per evitare bug su GPU mobile (iOS/Android) */
  .sidebar-backdrop {
    display: none;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: rgba(15, 23, 42, 0.65) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    z-index: 998 !important;
    opacity: 0;
    transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
    pointer-events: none;
  }

  .sidebar-backdrop.active {
    display: block !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  .sidebar-wrapper {
    position: static !important;
    width: 0 !important;
    height: 0 !important;
    overflow: visible !important;
    z-index: 1000 !important;
    pointer-events: none !important;
  }

  .sidebar-wrapper .sidebar,
  .sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    width: 280px !important;
    max-width: 85vw !important;
    height: 100% !important;
    height: 100dvh !important;
    background: #ffffff !important;
    z-index: 1001 !important;
    -webkit-transform: translate3d(-100%, 0, 0) !important;
    transform: translate3d(-100%, 0, 0) !important;
    box-shadow: none !important;
    transition: -webkit-transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
    pointer-events: auto !important;
    opacity: 1 !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    -webkit-backface-visibility: hidden !important;
    backface-visibility: hidden !important;
  }

  .sidebar-wrapper .sidebar.mobile-open,
  .sidebar.mobile-open {
    -webkit-transform: translate3d(0, 0, 0) !important;
    transform: translate3d(0, 0, 0) !important;
    box-shadow: 6px 0 32px rgba(15, 23, 42, 0.45) !important;
    background: #ffffff !important;
    opacity: 1 !important;
  }

  /* Disattiva menu flyout flottante su mobile */
  .rail-flyout-popover,
  .rail-submenu-indicator,
  .sidebar.mobile-open .rail-submenu-indicator,
  .sidebar-wrapper .sidebar.mobile-open .rail-submenu-indicator,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .rail-submenu-indicator {
    display: none !important;
  }

  /* Header e Brand sempre visibili e nitidi nel Drawer mobile */
  .sidebar.mobile-open .sidebar-header,
  .sidebar-wrapper .sidebar.mobile-open .sidebar-header,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .sidebar-header {
    height: 56px !important;
    padding: 0 14px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
  }

  .sidebar.mobile-open .sidebar-brand,
  .sidebar-wrapper .sidebar.mobile-open .sidebar-brand,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .sidebar-brand {
    display: flex !important;
    align-items: center !important;
    gap: 10px !important;
  }

  .sidebar.mobile-open .sidebar-titles,
  .sidebar-wrapper .sidebar.mobile-open .sidebar-titles,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .sidebar-titles {
    display: flex !important;
    flex-direction: column !important;
  }

  .sidebar-pin-btn {
    display: none !important;
  }

  /* Voci di navigazione con etichetta estesa ben leggibile */
  .sidebar.mobile-open .nav-item,
  .sidebar-wrapper .sidebar.mobile-open .nav-item,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .nav-item {
    width: calc(100% - 16px) !important;
    height: 42px !important;
    margin: 2px 8px !important;
    padding: 0 14px !important;
    justify-content: flex-start !important;
    border-radius: 21px !important;
  }

  .sidebar.mobile-open .nav-item .nav-label,
  .sidebar-wrapper .sidebar.mobile-open .nav-item .nav-label,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .nav-item .nav-label {
    display: block !important;
    font-size: 13.5px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .sidebar.mobile-open .nav-item .badge,
  .sidebar.mobile-open .nav-item .badge-pending-count,
  .sidebar-wrapper .sidebar.mobile-open .nav-item .badge,
  .sidebar-wrapper .sidebar.mobile-open .nav-item .badge-pending-count,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .nav-item .badge,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .nav-item .badge-pending-count {
    display: inline-block !important;
  }

  /* Intestazioni di gruppo con titolo e chevron */
  .sidebar.mobile-open .nav-group-header,
  .sidebar-wrapper .sidebar.mobile-open .nav-group-header,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .nav-group-header {
    width: calc(100% - 16px) !important;
    height: 40px !important;
    margin: 3px 8px !important;
    padding: 0 14px !important;
    justify-content: space-between !important;
    border-radius: 20px !important;
  }

  .sidebar.mobile-open .nav-group-title,
  .sidebar-wrapper .sidebar.mobile-open .nav-group-title,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .nav-group-title {
    display: block !important;
    font-size: 12.5px !important;
  }

  .sidebar.mobile-open .nav-group-chevron,
  .sidebar-wrapper .sidebar.mobile-open .nav-group-chevron,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .nav-group-chevron {
    display: inline-flex !important;
  }

  .sidebar.mobile-open .nav-group:not(.collapsed) .nav-group-items,
  .sidebar-wrapper .sidebar.mobile-open .nav-group:not(.collapsed) .nav-group-items,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .nav-group:not(.collapsed) .nav-group-items {
    display: flex !important;
    flex-direction: column !important;
  }

  .sidebar.mobile-open .nav-group.collapsed .nav-group-items,
  .sidebar-wrapper .sidebar.mobile-open .nav-group.collapsed .nav-group-items,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .nav-group.collapsed .nav-group-items {
    display: none !important;
  }

  /* Footer nel mobile drawer */
  .sidebar.mobile-open .sidebar-footer,
  .sidebar-wrapper .sidebar.mobile-open .sidebar-footer,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .sidebar-footer {
    height: 44px !important;
    padding: 0 14px !important;
    justify-content: space-between !important;
    display: flex !important;
  }

  .sidebar.mobile-open .footer-ver-tag,
  .sidebar.mobile-open .footer-info-btn,
  .sidebar.mobile-open .status-indicator-text,
  .sidebar-wrapper .sidebar.mobile-open .footer-ver-tag,
  .sidebar-wrapper .sidebar.mobile-open .footer-info-btn,
  .sidebar-wrapper .sidebar.mobile-open .status-indicator-text,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .footer-ver-tag,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .footer-info-btn,
  .sidebar-wrapper.collapsed .sidebar.mobile-open .status-indicator-text {
    display: inline-flex !important;
  }

  .content-body {
    padding: 14px 10px;
  }

  .main-wrapper {
    width: 100%;
  }

  .matrix-container {
    max-height: calc(100vh - 220px);
  }
}

/* --- DRAG & DROP PER DISPOSIZIONI IN ORARIO RISOLTO --- */
.lesson-card.disposizione {
  background: #fef3c7 !important;
  border-left: 3.5px solid #d97706 !important;
  color: #92400e !important;
  cursor: grab !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  user-select: none;
}

.lesson-card.disposizione:active {
  cursor: grabbing !important;
  transform: scale(0.97);
}

.lesson-card.is-dragging {
  opacity: 0.4;
  outline: 2px dashed #d97706;
}

.tt-cell.drop-target {
  background: #fef9c3 !important;
  outline: 2px dashed #ca8a04 !important;
  outline-offset: -2px;
}

/* Stepper e Cursore Slider Rapido in Topbar Orario Risolto */
.timetable-stepper-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
}

.slider-quick-entity {
  width: 130px;
  accent-color: var(--primary);
  cursor: pointer;
  height: 6px;
}

/* Pulsanti Preferenze Rapide in Griglia Indisponibilità */
.btn-pref-pill {
  padding: 4px 10px;
  border: 1.5px solid #cbd5e1;
  border-radius: 16px;
  background: var(--bg-card);
  font-size: 11.5px;
  font-weight: 600;
  color: #475569;
  cursor: pointer;
  transition: all 0.12s ease;
}

.btn-pref-pill:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
}

.btn-pref-pill.active {
  background: #eff6ff;
  border-color: #2563eb;
  color: #1d4ed8;
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.2);
}

.btn-pref-day {
  padding: 3px 10px;
  border: 1.5px solid #cbd5e1;
  border-radius: 14px;
  background: var(--bg-card);
  font-size: 11px;
  font-weight: 700;
  color: #334155;
  cursor: pointer;
  transition: all 0.12s ease;
}

.btn-pref-day:hover {
  background: #f8fafc;
}

.btn-pref-day.active {
  background: #fef3c7;
  border-color: #d97706;
  color: #92400e;
  box-shadow: 0 1px 3px rgba(217, 119, 6, 0.2);
}