/* ==========================================================================
   Aula.school — tema dell'area riservata (forms)
   Caricato DOPO style.css e i CSS per ruolo: ne sovrascrive l'aspetto senza
   modificarli. Stesso linguaggio del sito pubblico (assets/css/site.css della
   root): superfici bianche, bordi sottili, un colore d'accento per ruolo.
   Non viene caricato nell'app mobile (style_app.css ha il suo stile).
   ========================================================================== */

:root,
body.role-teacher {
  --accent: #1a73e8;
  --accent-dark: #1557b0;
  --accent-tint: #e8f0fe;
  --accent-tint-2: #d2e3fc;
  --accent-ink: #174ea6;
  --accent-rgb: 26, 115, 232;
}
body.role-student {
  --accent: #188038;
  --accent-dark: #137333;
  --accent-tint: #e6f4ea;
  --accent-tint-2: #ceead6;
  --accent-ink: #0d652d;
  --accent-rgb: 24, 128, 56;
}
body.role-admin {
  --accent: #5e35b1;
  --accent-dark: #4527a0;
  --accent-tint: #ede7f6;
  --accent-tint-2: #d1c4e9;
  --accent-ink: #4527a0;
  --accent-rgb: 94, 53, 177;
}

:root {
  --ink: #202124;
  --ink-2: #3c4043;
  --muted: #5f6368;
  --line: #dadce0;
  --line-soft: #e8eaed;
  --surface: #ffffff;
  --surface-2: #f8f9fa;
  --surface-3: #f1f3f4;

  --c-blue: #1a73e8;   --c-blue-tint: #e8f0fe;
  --c-green: #188038;  --c-green-tint: #e6f4ea;
  --c-orange: #e37400; --c-orange-tint: #fef3e0;
  --c-red: #d93025;    --c-red-tint: #fce8e6;
  --c-purple: #8430ce; --c-purple-tint: #f3e8fd;
  --c-teal: #007b83;   --c-teal-tint: #e4f7fb;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-1: 0 1px 2px rgba(60, 64, 67, .3), 0 1px 3px 1px rgba(60, 64, 67, .15);
  --shadow-2: 0 1px 3px rgba(60, 64, 67, .3), 0 4px 8px 3px rgba(60, 64, 67, .15);
  --font-display: 'Google Sans', 'Roboto', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'Roboto', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

/* Colori Bootstrap allineati all'accento del ruolo */
body.app-themed {
  --bs-primary: var(--accent);
  --bs-primary-rgb: var(--accent-rgb);
  --bs-link-color: var(--accent);
  --bs-link-color-rgb: var(--accent-rgb);
  --bs-link-hover-color: var(--accent-dark);
  --bs-body-font-family: var(--font-body);
  --bs-body-color: var(--ink-2);
  --bs-border-color: var(--line);
  --bs-border-radius: var(--radius-sm);
  --bs-focus-ring-color: rgba(var(--accent-rgb), .25);
}

/* ---------- Base ---------- */
body.app-themed {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink-2);
  background-color: var(--surface-2);
  -webkit-font-smoothing: antialiased;
}
.app-themed h1, .app-themed h2, .app-themed h3, .app-themed h4, .app-themed h5, .app-themed h6,
.app-themed .h1, .app-themed .h2, .app-themed .h3, .app-themed .h4, .app-themed .h5, .app-themed .h6 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.app-themed a { color: var(--accent); }
.app-themed a:hover { color: var(--accent-dark); }
.app-themed .text-primary { color: var(--accent) !important; }
.app-themed .bg-primary { background-color: var(--accent) !important; color: #fff; }
.app-themed .text-muted { color: var(--muted) !important; }
.app-themed .border-primary { border-color: var(--accent) !important; }

/* ---------- Header ---------- */
.app-themed header.app-header {
  background: #fff !important;
  border-bottom: 1px solid var(--line);
  box-shadow: none !important;
  height: 60px;
  color: var(--ink-2);
}
.app-themed header.app-header .navbar-brand {
  background: transparent !important;
  box-shadow: none !important;
  color: var(--ink) !important;
  font-size: 1rem;
}
.app-themed header.app-header .nav-link {
  color: var(--muted) !important;
  border-radius: 999px;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 !important;
  transition: background-color .15s ease;
}
.app-themed header.app-header .nav-link:hover,
.app-themed header.app-header .nav-link:focus-visible { background: var(--surface-3); color: var(--ink) !important; }
.app-themed header.app-header .nav-link.active { color: var(--accent) !important; background: var(--accent-tint); }
.app-themed header.app-header #userDropdown {
  width: auto;
  padding: 0 .75rem 0 .35rem !important;
  gap: .4rem;
  color: var(--ink-2) !important;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: .9rem;
}
.app-themed header.app-header #userDropdown .fa-user-circle { font-size: 1.6rem; color: var(--muted); }

/* Ricerca stile Google */
.app-search {
  position: relative;
  max-width: 720px;
  width: 100%;
}
.app-search > i {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  color: var(--muted); font-size: .9rem; pointer-events: none;
}
.app-themed .app-search .form-control {
  background: var(--surface-3) !important;
  border: 1px solid transparent !important;
  color: var(--ink) !important;
  border-radius: 999px;
  height: 44px;
  padding-left: 44px;
  font-size: .95rem;
  transition: background-color .15s ease, box-shadow .15s ease;
}
.app-themed .app-search .form-control::placeholder { color: var(--muted); opacity: 1; }
.app-themed .app-search .form-control:focus {
  background: #fff !important;
  box-shadow: 0 1px 4px rgba(32, 33, 36, .28) !important;
}

/* Etichetta ruolo e ambiente */
.app-role-chip {
  display: inline-flex; align-items: center;
  font-family: var(--font-display);
  font-size: .72rem; font-weight: 500;
  padding: .15rem .55rem;
  border-radius: 999px;
  background: var(--accent-tint);
  color: var(--accent-ink);
  margin-left: .6rem;
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: .01em;
}
.app-env-chip {
  display: inline-flex; align-items: center; gap: .25rem;
  font-family: var(--font-display);
  font-size: .68rem; font-weight: 500;
  padding: .1rem .5rem;
  border-radius: 999px;
  background: var(--c-red-tint);
  color: var(--c-red);
  margin-left: .4rem;
  white-space: nowrap;
}

/* Toggle menu mobile */
.app-themed header.app-header .navbar-toggler {
  background: transparent;
  border: 0;
  box-shadow: none;
  border-radius: 999px;
  width: 40px; height: 40px;
  top: 10px;
}
.app-themed header.app-header .navbar-toggler:hover { background: var(--surface-3); }

/* Badge notifiche */
.app-themed .notification-badge-indicator { font-size: .62rem; }

/* ---------- Dropdown ---------- */
.app-themed .dropdown-menu {
  border: 0;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-2);
  padding: .4rem 0;
  font-size: .925rem;
}
.app-themed .dropdown-item { padding: .5rem 1rem; color: var(--ink-2); }
.app-themed .dropdown-item i { color: var(--muted); }
.app-themed .dropdown-item:hover, .app-themed .dropdown-item:focus { background: var(--surface-3); color: var(--ink); }
.app-themed .dropdown-item.active, .app-themed .dropdown-item:active { background: var(--accent-tint); color: var(--accent-ink); }
.app-themed .dropdown-divider { border-color: var(--line-soft); }

/* ---------- Sidebar ---------- */
.app-themed .sidebar {
  background: #fff !important;
  box-shadow: none;
  border-right: 1px solid var(--line-soft);
}
.app-themed .sidebar .nav-link {
  color: var(--ink-2) !important;
  font-size: .9rem;
  font-weight: 400;
  padding: .55rem 1rem;
  border-radius: 999px;
  margin: 0 .5rem 2px;
  background: transparent;
  transition: background-color .12s ease;
}
.app-themed .sidebar .nav-link i { color: var(--muted); }
.app-themed .sidebar .nav-link:hover,
.app-themed .sidebar .nav-link:focus { background: var(--surface-3) !important; color: var(--ink) !important; }
.app-themed .sidebar .nav-link.active {
  background: var(--accent-tint) !important;
  color: var(--accent-ink) !important;
  font-weight: 500;
}
.app-themed .sidebar .nav-link.active i { color: var(--accent); }
.app-themed .sidebar .collapse .nav-link,
.app-themed .sidebar .collapsing .nav-link { font-size: .85rem; }
.app-themed .sidebar .sidebar-heading {
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted) !important;
}
.app-themed .sidebar .dropdown-toggle::after { opacity: .5; }

/* ---------- Contenuto ---------- */
.app-themed main > .d-flex.border-bottom:first-child,
.app-themed main .border-bottom.pb-2.mb-3 { border-color: var(--line-soft) !important; }
.app-themed main h1.h2, .app-themed main > .row:first-child h2 { font-size: 1.6rem; }

/* ---------- Card ---------- */
.app-themed .card {
  border: 1px solid var(--line) !important;
  border-radius: var(--radius);
  box-shadow: none !important;
  background: #fff;
}
.app-themed .card:hover { box-shadow: none !important; }
.app-themed .card.shadow, .app-themed .card.shadow-sm { box-shadow: none !important; }
.app-themed .card-header {
  background: #fff !important;
  border-bottom: 1px solid var(--line-soft);
  padding: .9rem 1.25rem;
  border-top-left-radius: var(--radius) !important;
  border-top-right-radius: var(--radius) !important;
}
.app-themed .card-header .card-title, .app-themed .card-header h5 { font-size: 1rem; font-weight: 500; }
.app-themed .card-header a { font-family: var(--font-display); font-weight: 500; font-size: .875rem; }
.app-themed .card-footer { background: var(--surface-2); border-top: 1px solid var(--line-soft); }
.app-themed .list-group-item { border-color: var(--line-soft); }

/* ---------- Statistiche dashboard ---------- */
.app-themed .dashboard-stats {
  background: #fff !important;
  color: var(--ink) !important;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  min-height: 0;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.app-themed .dashboard-stats:hover { transform: none; box-shadow: var(--shadow-1); border-color: transparent; }
.app-themed .dashboard-stats h5 {
  font-family: var(--font-body);
  font-size: .85rem;
  font-weight: 500;
  color: var(--muted);
}
.app-themed .dashboard-stats h2 { font-size: 2rem; font-weight: 400; color: var(--ink); }
.app-themed .dashboard-stats i {
  font-size: 1.05rem !important;
  width: 48px; height: 48px;
  border-radius: 50%;
  display: inline-grid; place-items: center;
  margin: 0;
  flex-shrink: 0;
}
.app-themed .dashboard-stats.stats-primary i,
.app-themed .dashboard-stats.stats-teacher i { background: var(--c-blue-tint); color: var(--c-blue); }
.app-themed .dashboard-stats.stats-secondary i,
.app-themed .dashboard-stats.stats-student i { background: var(--c-orange-tint); color: var(--c-orange); }
.app-themed .dashboard-stats.stats-purple i,
.app-themed .dashboard-stats.stats-pink i { background: var(--c-purple-tint); color: var(--c-purple); }
.app-themed .dashboard-stats.stats-success i { background: var(--c-green-tint); color: var(--c-green); }
.app-themed .dashboard-stats.stats-teal i { background: var(--c-teal-tint); color: var(--c-teal); }
.app-themed .dashboard-stats.stats-admin i { background: var(--accent-tint); color: var(--accent); }

/* Superfici pastello legacy → toni neutri */
.app-themed .bg-pastel-blue { background: var(--c-blue-tint) !important; }
.app-themed .bg-pastel-orange { background: var(--c-orange-tint) !important; }
.app-themed .bg-pastel-green { background: var(--c-green-tint) !important; }

/* ---------- Bottoni ---------- */
.app-themed .btn {
  font-family: var(--font-display);
  font-weight: 500;
  border-radius: 999px;
  padding: .45rem 1.1rem;
  font-size: .9rem;
  letter-spacing: .01em;
  transition: background-color .15s ease, box-shadow .15s ease, border-color .15s ease, color .15s ease;
}
.app-themed .btn-sm { padding: .3rem .85rem; font-size: .82rem; }
.app-themed .btn-lg { padding: .65rem 1.5rem; font-size: 1rem; }
.app-themed .btn-group > .btn, .app-themed .input-group > .btn { border-radius: var(--radius-sm); }
.app-themed .btn-group > .btn:not(:first-child), .app-themed .input-group > .btn:not(:first-child) { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.app-themed .btn-group > .btn:not(:last-child), .app-themed .input-group > .btn:not(:last-child) { border-top-right-radius: 0; border-bottom-right-radius: 0; }

.app-themed .btn-primary {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #fff !important;
}
.app-themed .btn-primary:hover, .app-themed .btn-primary:focus {
  background: var(--accent-dark) !important;
  border-color: var(--accent-dark) !important;
  color: #fff !important;
  box-shadow: var(--shadow-1);
}
.app-themed .btn-primary:disabled, .app-themed .btn-primary.disabled { opacity: .45; box-shadow: none; }

.app-themed .btn-outline-primary {
  color: var(--accent) !important;
  border-color: var(--line) !important;
  background: #fff;
}
.app-themed .btn-outline-primary:hover, .app-themed .btn-outline-primary:focus, .app-themed .btn-outline-primary.active {
  background: var(--accent-tint) !important;
  border-color: var(--accent-tint-2) !important;
  color: var(--accent-ink) !important;
}
.app-themed .btn-outline-secondary {
  color: var(--ink-2) !important;
  border-color: var(--line) !important;
  background: #fff;
}
.app-themed .btn-outline-secondary:hover, .app-themed .btn-outline-secondary:focus, .app-themed .btn-outline-secondary.active {
  background: var(--surface-3) !important;
  color: var(--ink) !important;
}
.app-themed .btn-secondary { background: var(--surface-3); border-color: var(--surface-3); color: var(--ink); }
.app-themed .btn-secondary:hover { background: var(--line-soft); border-color: var(--line-soft); color: var(--ink); }
.app-themed .btn-light { background: #fff; border-color: var(--line); color: var(--ink-2); }
.app-themed .btn-light:hover { background: var(--surface-3); }
.app-themed .btn-success { background: var(--c-green); border-color: var(--c-green); color: #fff; }
.app-themed .btn-success:hover { background: #137333; border-color: #137333; color: #fff; }
.app-themed .btn-danger { background: var(--c-red); border-color: var(--c-red); color: #fff; }
.app-themed .btn-danger:hover { background: #b3261e; border-color: #b3261e; color: #fff; }
.app-themed .btn-warning { background: #f9ab00; border-color: #f9ab00; color: var(--ink); }
.app-themed .btn-info { background: var(--c-teal); border-color: var(--c-teal); color: #fff; }
.app-themed .btn-outline-danger { border-color: var(--line); color: var(--c-red); }
.app-themed .btn-outline-danger:hover { background: var(--c-red-tint); border-color: #f6aea9; color: #a50e0e; }
.app-themed .btn-outline-success { border-color: var(--line); color: var(--c-green); }
.app-themed .btn-outline-success:hover { background: var(--c-green-tint); border-color: #a8dab5; color: #0d652d; }
.app-themed .btn-link { border-radius: var(--radius-sm); }
.app-themed .btn:focus-visible { box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .3) !important; }

/* ---------- Form ---------- */
.app-themed .form-control, .app-themed .form-select {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: .95rem;
}
.app-themed .form-control:focus, .app-themed .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .15);
}
.app-themed .form-label { font-weight: 500; color: var(--ink); font-size: .9rem; }
.app-themed .form-text, .app-themed small.text-muted { color: var(--muted) !important; }
.app-themed .form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }
.app-themed .form-check-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .15); }
.app-themed .input-group-text { background: var(--surface-2); border-color: var(--line); color: var(--muted); }

/* ---------- Tabelle ---------- */
.app-themed .table { --bs-table-hover-bg: var(--surface-2); color: var(--ink-2); }
.app-themed .table > thead th, .app-themed .table thead.table-light th, .app-themed .table thead.table-dark th {
  background: var(--surface-2) !important;
  color: var(--muted) !important;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: .8rem;
  text-transform: none;
  border-bottom: 1px solid var(--line) !important;
}
.app-themed .table > :not(caption) > * > * { border-color: var(--line-soft); }

/* ---------- Badge, alert, tab, paginazione ---------- */
.app-themed .badge { font-family: var(--font-display); font-weight: 500; border-radius: 999px; padding: .32em .65em; }
.app-themed .badge.bg-primary { background: var(--accent-tint) !important; color: var(--accent-ink) !important; }
.app-themed .badge.bg-secondary { background: var(--surface-3) !important; color: var(--ink-2) !important; }
.app-themed .badge.bg-success { background: var(--c-green-tint) !important; color: #0d652d !important; }
.app-themed .badge.bg-danger:not(.notification-badge) { background: var(--c-red-tint) !important; color: #a50e0e !important; }
.app-themed .badge.bg-warning { background: #fef7e0 !important; color: #8a4600 !important; }
.app-themed .badge.bg-info { background: var(--c-teal-tint) !important; color: #00575c !important; }
.app-themed .badge.bg-light { background: var(--surface-3) !important; color: var(--ink-2) !important; border: 0 !important; }
.app-themed .notification-badge { background: var(--c-red) !important; color: #fff !important; }

.app-themed .alert { border-radius: var(--radius-sm); border: 0; font-size: .925rem; }
.app-themed .alert-info { background: var(--c-blue-tint); color: #174ea6; }
.app-themed .alert-success { background: var(--c-green-tint); color: #0d652d; }
.app-themed .alert-warning { background: #fef7e0; color: #7a4100; }
.app-themed .alert-danger { background: var(--c-red-tint); color: #a50e0e; }
.app-themed .alert-secondary, .app-themed .alert-light { background: var(--surface-3); color: var(--ink-2); }

.app-themed .nav-tabs { border-bottom-color: var(--line); }
.app-themed .nav-tabs .nav-link { color: var(--muted); border: 0; border-bottom: 3px solid transparent; font-family: var(--font-display); font-weight: 500; }
.app-themed .nav-tabs .nav-link:hover { color: var(--ink); background: var(--surface-2); }
.app-themed .nav-tabs .nav-link.active { color: var(--accent); border-bottom-color: var(--accent); background: transparent; }
.app-themed .nav-pills .nav-link { border-radius: 999px; color: var(--ink-2); font-family: var(--font-display); font-weight: 500; }
.app-themed .nav-pills .nav-link.active { background: var(--accent-tint); color: var(--accent-ink); }

.app-themed .page-link { color: var(--accent); border-color: var(--line); }
.app-themed .page-item.active .page-link { background: var(--accent); border-color: var(--accent); color: #fff; }

.app-themed .progress { background: var(--surface-3); border-radius: 999px; }
.app-themed .progress-bar { background-color: var(--accent); }

.app-themed .breadcrumb { font-size: .85rem; }
.app-themed .breadcrumb .breadcrumb-item a { color: var(--muted); }
.app-themed .breadcrumb .breadcrumb-item.active { color: var(--ink-2); }

/* ---------- Modal ---------- */
.app-themed .modal-content { border: 0; border-radius: var(--radius-lg); box-shadow: var(--shadow-2); }
.app-themed .modal-header { border-bottom-color: var(--line-soft); padding: 1.1rem 1.5rem; }
.app-themed .modal-title { font-size: 1.15rem; }
.app-themed .modal-body { padding: 1.25rem 1.5rem; }
.app-themed .modal-footer { border-top-color: var(--line-soft); padding: .9rem 1.5rem; }

/* ---------- Footer app ---------- */
.app-themed .app-footer { background: transparent; border-top: 1px solid var(--line-soft); color: var(--muted); }
.app-themed .app-footer a { color: var(--muted); }
.app-themed .app-footer a:hover { color: var(--ink); }

/* ---------- Toast ---------- */
.app-themed .toast { border: 0; border-radius: var(--radius-sm); box-shadow: var(--shadow-2); }

/* ---------- Rifiniture ---------- */
/* Niente parole spezzate a metà nelle voci della sidebar */
.app-themed .sidebar .nav-link {
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: auto;
  line-height: 1.3;
  align-items: center;
}
.app-env-chip { padding: .15rem .4rem; }

/* Stati vuoti: icone leggere e proporzionate */
.app-themed .card-body .text-center > i.text-muted,
.app-themed .card-body .text-center > .fa-3x,
.app-themed .card-body .text-center > i.fa-2x {
  color: #bdc1c6 !important;
  font-size: 2.25rem;
}
.app-themed .card-body .text-center.py-5 { padding-top: 2.5rem !important; padding-bottom: 2.5rem !important; }
.app-themed .card-body .text-center.py-5 p { color: var(--muted); }

/* Il blocco logo prende lo spazio che gli serve (logo + ruolo + ambiente) */
@media (min-width: 768px) {
  .app-themed header.app-header .navbar-brand { min-width: max-content; padding-right: 1rem !important; }
}

/* Voce padre di un sottomenu aperto: solo testo d'accento, lo sfondo resta alla sottovoce */
.app-themed .sidebar .nav-link.dropdown-toggle.active {
  background: transparent !important;
  color: var(--accent-ink) !important;
}
.app-themed .sidebar .nav-link.dropdown-toggle.active:hover { background: var(--surface-3) !important; }

/* Header su schermi piccoli: tutto su una riga */
@media (max-width: 767.98px) {
  .app-themed header.app-header { flex-wrap: nowrap; }
  .app-themed header.app-header .navbar-brand { flex: 0 1 auto; min-width: 0; }
  .app-themed header.app-header .navbar-brand > span { flex-direction: row !important; align-items: center !important; }
  .app-themed header.app-header .app-env-chip { display: none; }
  .app-themed header.app-header .navbar-nav { flex-wrap: nowrap; flex-shrink: 0; padding-right: .25rem; }
  .app-themed header.app-header .nav-link { width: 36px; height: 36px; }
  .app-themed header.app-header #userDropdown { padding: 0 .35rem !important; }
  .app-themed header.app-header #userDropdown::after { display: none; }
}