/* Charte V-Tech : MD3, tokens clair/sombre, élévation tonale, mobile-first. */
:root {
  color-scheme: light dark;
  --primary: #2a4b5a;
  --on-primary: #ffffff;
  --secondary: #5a717b;
  --tertiary: #7d5260;
  --bg: #f8fafc;
  --surface: #ffffff;
  --on-surface: #1a2328;
  --on-surface-variant: #4a5a63;
  --outline: #c3ccd1;
  --error: #b3261e;
  --on-error: #ffffff;
  --ok: #2e6b4a;

  --r-lg: 28px;
  --r-md: 16px;
  --r-pill: 999px;
  --ease-in: cubic-bezier(0.05, 0.7, 0.1, 1);
  --ease-out: cubic-bezier(0.3, 0, 0.8, 0.15);
  --dur: 250ms;
  --nav-h: 72px;

  --font-head: "Inter", system-ui, sans-serif;
  --font-body: "Roboto", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #8bd3e6;
    --on-primary: #003544;
    --secondary: #b1cbd6;
    --tertiary: #efb8c8;
    --bg: #0f172a;
    --surface: #1e293b;
    --on-surface: #e2e8f0;
    --on-surface-variant: #a9b8c3;
    --outline: #3b4a5c;
    --error: #f2b8b5;
    --on-error: #601410;
    --ok: #8fd5ac;
  }
}

/* Élévation tonale : la teinte primaire s'ajoute à la surface, sans ombre portée. */
:root {
  --surface-1: color-mix(in srgb, var(--primary) 5%, var(--surface));
  --surface-2: color-mix(in srgb, var(--primary) 9%, var(--surface));
  --surface-3: color-mix(in srgb, var(--primary) 13%, var(--surface));
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  padding-bottom: calc(var(--nav-h) + 16px);
}

h1, h2, h3 { font-family: var(--font-head); font-weight: 600; line-height: 1.25; margin: 0 0 12px; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 0.95rem; margin-top: 16px; color: var(--on-surface-variant); }
p { margin: 0 0 8px; }
a { color: var(--primary); }

.mono { font-family: var(--font-mono); font-size: 0.875em; }
.muted { color: var(--on-surface-variant); }
.small { font-size: 0.8125rem; }

.icon {
  font-family: "Material Symbols Outlined";
  font-weight: 300;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  display: inline-block;
  vertical-align: middle;
  letter-spacing: normal;
  text-transform: none;
  white-space: nowrap;
  font-feature-settings: "liga";
  -webkit-font-feature-settings: "liga";
  font-variation-settings: "FILL" 0, "wght" 300, "GRAD" 0, "opsz" 24;
  user-select: none;
}
.icon-lg { font-size: 40px; color: var(--primary); }
.icon-xl { font-size: 64px; color: var(--primary); }

/* Barre d'app + navigation */
.appbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: var(--surface-1);
}
.brand {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; font-size: 1.25rem;
  color: var(--on-surface); text-decoration: none;
}
.who { display: flex; align-items: center; gap: 4px; }
.who .mono { display: none; color: var(--on-surface-variant); }

.nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  height: var(--nav-h);
  display: flex; justify-content: space-around; align-items: center;
  background: var(--surface-2);
}
.nav a {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 6px 16px; border-radius: var(--r-pill);
  color: var(--on-surface-variant); text-decoration: none; font-size: 0.75rem;
  transition: background-color var(--dur) var(--ease-in), color var(--dur) var(--ease-in);
}
.nav a:hover { background: var(--surface-3); }
.nav a[aria-current="page"] { background: var(--surface-3); color: var(--on-surface); }
.nav a[aria-current="page"] .icon { color: var(--primary); }

.page { max-width: 960px; margin: 0 auto; padding: 24px 16px; }

/* Cartes */
.card {
  background: var(--surface-1);
  border-radius: var(--r-lg);
  padding: 24px;
  margin: 0 0 16px;
  transition: background-color var(--dur) var(--ease-in);
}
.grid { display: grid; gap: 16px; grid-template-columns: 1fr; margin-top: 24px; }
.tile { display: block; color: inherit; text-decoration: none; margin: 0; }
.tile:hover { background: var(--surface-3); }
.login { max-width: 420px; margin: 12vh auto 0; text-align: center; padding: 32px; }
.login .btn { margin: 16px 0; }

/* Boutons */
.btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 24px;
  border: 0; border-radius: var(--r-pill);
  font-family: var(--font-body); font-weight: 500; font-size: 0.9375rem;
  text-decoration: none; cursor: pointer;
  background: transparent; color: var(--primary);
  transition: background-color var(--dur) var(--ease-in), color var(--dur) var(--ease-in),
    opacity var(--dur) var(--ease-in);
}
.btn::after {
  content: ""; position: absolute; inset: 0; background: currentColor; opacity: 0;
  transition: opacity var(--dur) var(--ease-in);
}
.btn:hover::after { opacity: 0.08; }
.btn:active::after { opacity: 0.16; }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary); outline-offset: 2px;
}
.btn-filled { background: var(--primary); color: var(--on-primary); }
.btn-tonal { background: var(--surface-3); color: var(--on-surface); }
.btn-text { padding: 0 16px; }
.btn-icon { padding: 0; width: 44px; flex: none; }
.btn-danger { color: var(--error); }
.btn.htmx-request { opacity: 0.6; }

/* Formulaires */
.stack { display: grid; gap: 16px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; }
.row.between { justify-content: space-between; align-items: center; }
.row.wrap { gap: 8px 12px; }
.grow { flex: 1 1 200px; }
.grid-form { display: grid; gap: 12px; grid-template-columns: 1fr; align-items: end; margin-bottom: 8px; }
.span-all { grid-column: 1 / -1; }

.field { display: flex; flex-direction: column; gap: 4px; font-size: 0.8125rem; color: var(--on-surface-variant); }
input[type="text"], input[type="email"], input[type="search"], select, textarea {
  width: 100%; min-height: 48px; padding: 10px 16px;
  font: inherit; font-size: 1rem; color: var(--on-surface);
  background: var(--surface-2);
  border: 1px solid transparent; border-radius: var(--r-md);
  transition: border-color var(--dur) var(--ease-in), background-color var(--dur) var(--ease-in);
}
textarea { resize: vertical; }
input:hover, select:hover, textarea:hover { background: var(--surface-3); }
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
input:disabled, textarea:disabled { opacity: 0.5; }
input.mono { font-family: var(--font-mono); font-size: 0.875rem; }
fieldset { border: 0; padding: 0; margin: 0; }
legend { font-size: 0.8125rem; color: var(--on-surface-variant); margin-bottom: 8px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips legend { width: 100%; }
.chip input, .check input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0 16px;
  border: 1px solid var(--outline); border-radius: var(--r-md); cursor: pointer;
  transition: background-color var(--dur) var(--ease-in), color var(--dur) var(--ease-in),
    border-color var(--dur) var(--ease-in);
}
.chip input:checked + span { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }
.chip input:focus-visible + span { outline: 2px solid var(--primary); outline-offset: 2px; }
.check { display: inline-flex; align-items: center; gap: 12px; cursor: pointer; position: relative; }
.check span::before {
  content: ""; display: inline-block; vertical-align: middle; width: 20px; height: 20px; margin-right: 12px;
  border: 2px solid var(--secondary); border-radius: 6px;
  transition: background-color var(--dur) var(--ease-in);
}
.check input:checked + span::before { background: var(--primary); border-color: var(--primary); }
.check input:focus-visible + span::before { outline: 2px solid var(--primary); outline-offset: 2px; }

/* Listes */
.list { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 8px; }
.list > li { background: var(--surface-2); border-radius: var(--r-md); padding: 12px 16px; }
.player { display: grid; gap: 8px; }
.player.is-off { opacity: 0.5; }
.player-info { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; }
.player-ctl { display: flex; align-items: center; gap: 4px; }
.player-ctl .vol { margin-left: 8px; color: var(--on-surface-variant); }
.slider { flex: 1; min-width: 80px; accent-color: var(--primary); min-height: 32px; padding: 0; background: none; border: 0; }
.results { margin-top: 16px; }

.badge {
  display: inline-block; padding: 2px 10px; border-radius: var(--r-pill);
  background: var(--surface-3); color: var(--on-surface);
}
.status-done { color: var(--ok); }
.status-failed { color: var(--error); }

.alert {
  display: flex; align-items: center; gap: 12px; padding: 12px 16px; margin: 0;
  border-radius: var(--r-md); background: var(--surface-3); color: var(--on-surface);
}
.alert .icon { color: var(--error); }

/* Toast */
.toast {
  position: fixed; left: 16px; right: 16px; bottom: calc(var(--nav-h) + 16px); z-index: 20;
  max-width: 480px; margin: 0 auto; padding: 14px 20px;
  border-radius: var(--r-md); background: var(--on-surface); color: var(--bg);
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity var(--dur) var(--ease-in), transform var(--dur) var(--ease-in);
}
.toast.show { opacity: 1; transform: none; }
.toast.is-error { background: var(--error); color: var(--on-error); }

@media (min-width: 600px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .grid-form { grid-template-columns: repeat(2, 1fr); }
  .player { grid-template-columns: 1fr minmax(240px, 1fr); align-items: center; }
}

@media (min-width: 840px) {
  body { padding-bottom: 0; }
  .appbar { padding: 12px 32px; gap: 24px; }
  .who .mono { display: inline; }
  .nav {
    position: static; height: auto; flex: 1; justify-content: flex-start; gap: 4px; background: none;
  }
  .nav a { flex-direction: row; gap: 8px; font-size: 0.9375rem; padding: 8px 20px; }
  .page { padding: 32px; }
  .card { padding: 32px; }
  .grid { grid-template-columns: repeat(3, 1fr); }
  .toast { bottom: 24px; }
  .grid-form { grid-template-columns: repeat(4, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.01ms !important; }
}

/* Alertes */
.banner-test {
  display: flex; align-items: center; gap: 8px; margin: 0 0 12px; padding: 10px 16px;
  border-radius: var(--r-md); background: var(--error); color: var(--bg);
  font-weight: 600; letter-spacing: .04em;
}
.banner-test[hidden] { display: none; }
.incident.is-test { border-left: 4px solid var(--error); padding-left: 12px; }
.incident-draft { color: var(--on-surface); }
.incident-sent { color: var(--error); }
.incident-closed { color: var(--ok); }
.btn-danger { background: var(--error); color: var(--bg); }
.incident-failed { color: var(--error); }

/* Dashboard des réponses */
.counters { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.resp-danger { border-left: 4px solid var(--error); padding-left: 12px; }

/* Sélection multi-lecteurs */
.group-bar { margin-top: 16px; padding: 8px 16px; background: var(--surface-3); border-radius: var(--r-md); }
.group-bar[hidden] { display: none; }
.player-info .check span::before { margin-right: 0; }

/* Musique : médias, file, menu de lecture */
.media-list { margin-top: 8px; }
.media-list > li { display: flex; align-items: center; gap: 8px; padding: 8px 12px; }
.media {
  all: unset; box-sizing: border-box; flex: 1; min-width: 0; min-height: 48px; cursor: pointer;
  display: flex; align-items: center; gap: 12px; border-radius: var(--r-md);
}
.media:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.media-text { flex: 1; min-width: 0; display: grid; }
.media-text > * { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.media-text > strong { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.check { min-width: 44px; min-height: 44px; justify-content: center; margin: -12px 0 -12px -12px; }
.slider { min-height: 44px; }
.cover { width: 48px; height: 48px; flex: none; border-radius: 8px; object-fit: cover; background: var(--surface-3); }
.queue-item.is-current { border-left: 4px solid var(--primary); background: var(--surface-3); }
.queue-actions { display: flex; flex: none; }
.queue-actions .btn:disabled { opacity: 0.3; }
.menu { border: 0; border-radius: var(--r-lg); padding: 24px; background: var(--surface); color: var(--on-surface); width: min(92vw, 360px); }
.menu::backdrop { background: rgb(0 0 0 / 0.4); }
.menu[open] { display: grid; gap: 8px; }

/* Alertes : modèles, mode exercice, grille, historique */
.mode-switch { margin-bottom: 20px; }
.switch { display: flex; align-items: center; gap: 16px; cursor: pointer; padding: 12px 16px; border-radius: var(--r-md); background: var(--surface-2); min-height: 56px; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch .track { position: relative; flex: none; width: 56px; height: 32px; border-radius: 16px; background: var(--surface-3); border: 2px solid var(--on-surface); transition: background .2s; }
.switch .thumb { position: absolute; top: 4px; left: 4px; width: 20px; height: 20px; border-radius: 50%; background: var(--on-surface); transition: transform .2s; }
.switch input:checked + .track { background: var(--error); border-color: var(--error); }
.switch input:checked + .track .thumb { transform: translateX(24px); background: var(--bg); }
.switch input:focus-visible + .track { outline: 3px solid var(--primary); outline-offset: 2px; }
.switch-text { display: flex; flex-direction: column; gap: 2px; }
.alert-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.alert-btn {
  --tone: var(--error); --on-tone: var(--on-error);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  min-height: 120px; padding: 16px; border: 3px solid var(--tone); border-radius: var(--r-lg); cursor: pointer;
  background: var(--tone); color: var(--on-tone);
  font: inherit; font-weight: 600; font-size: 1.1rem;
  transition: background-color var(--dur) var(--ease-in), opacity var(--dur) var(--ease-in);
}
.alert-btn:hover { background: color-mix(in srgb, var(--tone) 88%, var(--on-tone)); }
.alert-btn:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
.alert-btn .icon { font-size: 40px; color: inherit; }
/* Exercice : atténué, contour pointillé, teinte pâle -> nettement distinct d'un vrai incident */
.mode-exercise .alert-btn {
  background: color-mix(in srgb, var(--tone) 12%, var(--surface-2)); color: var(--on-surface);
  border: 3px dashed var(--tone);
}
.mode-exercise .alert-btn .icon { color: var(--tone); }
.mode-exercise .alert-btn:hover { background: color-mix(in srgb, var(--tone) 22%, var(--surface-2)); }
.alert-dialog { width: min(94vw, 480px); }
.alert-dialog.is-real { border: 3px solid var(--error); }
.ad-message { white-space: pre-wrap; padding: 12px 16px; border-radius: var(--r-md); background: var(--surface-2); }
.mode-real { background: var(--error); color: var(--bg); }
.mode-test { background: var(--surface-3); color: var(--on-surface); }
[hidden] { display: none !important; }
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 10px 12px; vertical-align: middle; }
.table thead th { color: var(--on-surface-variant); font-weight: 500; }
.table tbody tr { background: var(--surface-2); }
.table tbody tr:nth-child(even) { background: var(--surface-1); }
.table tr.is-test td:first-child { border-left: 4px solid var(--error); }
.timeline li { display: flex; align-items: center; gap: 8px; }
@media (max-width: 719px) {
  .table thead { display: none; }
  .table, .table tbody, .table tr, .table td { display: block; }
  .table tr { margin-bottom: 12px; border-radius: var(--r-md); padding: 8px 4px; }
  .table td { display: flex; justify-content: space-between; gap: 12px; padding: 6px 12px; }
  .table td[data-label]::before { content: attr(data-label); color: var(--on-surface); opacity: .7; }
}
@media (min-width: 720px) {
  .alert-grid { grid-template-columns: repeat(3, 1fr); }
}
.table td.mono { white-space: nowrap; }
.card > h2:not(:first-child) { margin-top: 24px; }
.card > .row + h2 { margin-top: 24px; }