/* ═══════════════════════════════════════════════
   THÈME LEARNBRIQ — tokens partagés
   Inclure dans toutes les pages sauf
   presentation.html et slide-viewer.html
═══════════════════════════════════════════════ */

:root, :root[data-theme="dark"] {
  /* ── Surfaces & fond ── */
  --bg:        #0f172a;
  --surf:      #1e293b;
  --surf2:     #273449;
  --surf3:     #2f3f58;

  /* ── Bordures ── */
  --border:    #334155;
  --border2:   #3d4f68;

  /* ── Texte ── */
  --text:      #e2e8f0;
  --text2:     #cbd5e1;
  --muted:     #94a3b8;

  /* ── Accent principal (indigo) ── */
  --accent:    #6366f1;
  --accent2:   #818cf8;
  --accent-bg: rgba(99,102,241,.12);

  /* ── Couleurs sémantiques ── */
  --warm:      #f59e0b;
  --warm-bg:   rgba(245,158,11,.12);
  --teal:      #14b8a6;
  --teal-bg:   rgba(20,184,166,.12);
  --rose:      #f43f5e;
  --purple:    #a855f7;
  --purple-bg: rgba(168,85,247,.1);
  --green:     #22c55e;
  --orange:    #fb923c;

  /* ── Rayons ── */
  --radius:    10px;
  --radius-sm: 6px;
  --r:         var(--radius-sm);

  /* ── Aliases rétrocompatibilité ── */
  --blue:      var(--accent);
  --blue-l:    var(--accent2);
  --bdr:       var(--border);
  --bdr2:      var(--border2);
  --blul:      var(--accent2);
  --bluh:      #4f46e5;
  --red:       var(--rose);
  --amber:     var(--warm);
}

:root[data-theme="light"] {
  --bg:        #f1f5f9;
  --surf:      #ffffff;
  --surf2:     #f8fafc;
  --surf3:     #f1f5f9;
  --border:    #e2e8f0;
  --border2:   #cbd5e1;
  --text:      #0f172a;
  --text2:     #1e293b;
  --muted:     #64748b;
  --accent:    #4f46e5;
  --accent2:   #6366f1;
  --accent-bg: rgba(79,70,229,.08);
  --warm:      #d97706;
  --warm-bg:   rgba(217,119,6,.09);
  --teal:      #0d9488;
  --teal-bg:   rgba(13,148,136,.09);
  --rose:      #e11d48;
  --purple:    #9333ea;
  --purple-bg: rgba(147,51,234,.08);
  --green:     #16a34a;
  --orange:    #ea580c;

  --blue:      var(--accent);
  --blue-l:    var(--accent2);
  --bdr:       var(--border);
  --bdr2:      var(--border2);
  --blul:      var(--accent2);
  --bluh:      var(--accent);
  --red:       var(--rose);
  --amber:     var(--warm);
}

/* ─────────────────────────────────────────────
   MODALES PARTAGEES (delete + move)
───────────────────────────────────────────── */
.confirm-backdrop {
  background: radial-gradient(circle at 15% 15%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 45%), rgba(6,10,16,.68);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.confirm-backdrop.open .confirm-modal,
.confirm-backdrop.open .move-modal {
  animation: modal-pop .18s ease-out;
}
.confirm-modal,
.move-modal {
  width: min(430px, 94vw);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surf) 90%, #ffffff 10%), var(--surf));
  border: 1px solid color-mix(in srgb, var(--border) 78%, var(--blue-l) 22%);
  border-radius: 14px;
  box-shadow: 0 22px 54px rgba(0,0,0,.46);
  overflow: hidden;
}
.confirm-head {
  padding: 13px 16px;
  font-size: 11px;
  letter-spacing: .08em;
  background: linear-gradient(90deg, color-mix(in srgb, var(--surf2) 72%, var(--blue-l) 28%), var(--surf2));
}
.confirm-body,
.move-modal-body { padding: 18px 16px; }
.confirm-body { font-size: 13px; line-height: 1.6; }
.confirm-actions,
.move-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid color-mix(in srgb, var(--border) 85%, #ffffff 15%);
  background: color-mix(in srgb, var(--surf2) 88%, #ffffff 12%);
}
.btn-cancel,
.btn-delete {
  border-radius: 9px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .08s ease, background .14s ease, border-color .14s ease, color .14s ease;
}
.btn-cancel {
  background: var(--surf);
  border-color: var(--border);
  color: var(--muted);
}
.btn-cancel:hover { background: var(--surf3); color: var(--text); border-color: var(--border2); }
.btn-delete {
  background: linear-gradient(180deg, rgba(244,71,71,.2), rgba(244,71,71,.12));
  border-color: rgba(244,71,71,.42);
  color: #ff8f8f;
}
.btn-delete:hover { background: rgba(244,71,71,.24); border-color: var(--red); color: #ffd0d0; }
.btn-cancel:active,
.btn-delete:active { transform: translateY(1px); }
.move-modal-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.move-modal-select {
  width: 100%;
  background: color-mix(in srgb, var(--surf2) 90%, #ffffff 10%);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  padding: 10px 11px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.move-modal-select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent); }
@keyframes modal-pop {
  from { opacity: 0; transform: translateY(10px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ─────────────────────────────────────────────
   LOGIN PAGE
───────────────────────────────────────────── */
body.login-page {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-page .login-card {
  background: var(--surf);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px 32px;
  width: 100%;
  max-width: 360px;
}

.login-page .logo-embed {
  width: 100%;
  height: 124px;
  border: 0;
  display: block;
  margin: 0 auto 12px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--surf);
  pointer-events: none;
}

.login-page .logo-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 20px;
}
.login-page .logo-wrap .logo-embed { margin-bottom: 0; }

.beta-badge {
  display: inline-block;
  font-size: 9px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase;
  background: var(--warm-bg, rgba(245,158,11,.12));
  color: var(--warm, #f59e0b);
  border: 1px solid rgba(245,158,11,.3);
  border-radius: 4px;
  padding: 2px 7px;
}

.login-page label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 5px;
  margin-top: 14px;
}

.login-page label:first-of-type { margin-top: 0; }

.login-page input[type="text"],
.login-page input[type="email"],
.login-page input[type="password"] {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 11px;
  background: var(--surf2);
  border: 1px solid var(--border2);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.18s;
}

.login-page input[type="text"]:focus,
.login-page input[type="email"]:focus,
.login-page input[type="password"]:focus {
  border-color: var(--blue);
}

.login-page button[type="submit"] {
  width: 100%;
  margin-top: 22px;
  padding: 11px;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: inherit;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.18s;
}

.login-page button[type="submit"]:hover { opacity: 0.85; }
.login-page button[type="submit"]:disabled { opacity: 0.6; cursor: default; }

.login-page .remember-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}

.login-page .remember-row input[type="checkbox"] {
  accent-color: var(--blue);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.login-page .remember-row label {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0;
  cursor: pointer;
}

.login-page #error {
  color: var(--red);
  font-size: 0.82rem;
  margin-top: 12px;
  min-height: 18px;
  text-align: center;
}