/* student-security-devices.css — Phase D6.2-G
 * Interface étudiante "Sécurité → Mes appareils et sessions".
 * Palette dédiée (navy/or) — réutilise --gold/--gold-dim (styles.css) pour
 * les accents dorés afin de ne PAS créer une deuxième charte graphique.
 * Toute la portée est limitée à #tab-security (.stu-security) : aucune
 * variable/style ici ne modifie le reste de l'application.
 */

#tab-security {
  --sec-navy: #0b2a5b;
  --sec-navy-2: #123f7a;
  --sec-blue-light: #eaf2ff;
  --sec-gold-light: #f3d77b;
  --sec-bg: #f8fafd;
  --sec-text: #172033;
  --sec-danger: #b3261e;
  --sec-danger-bg: #fdecea;
  --sec-success: #1e7a46;
  --sec-success-bg: #e8f6ee;
  --sec-warning: #8a5a00;
  --sec-warning-bg: #fff4e0;
  --sec-border: rgba(11, 42, 91, 0.12);
  --sec-radius: 14px;
}

#tab-security .stu-security {
  color: var(--sec-text);
}

#tab-security .sec-section {
  background: var(--sec-bg);
  border: 1px solid var(--sec-border);
  border-radius: var(--sec-radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

#tab-security .sec-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

#tab-security .sec-section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sec-navy);
  margin: 0;
}

#tab-security .sec-section-title i {
  color: var(--gold, #d4af37);
}

#tab-security .sec-section-desc {
  color: #46536b;
  font-size: 0.85rem;
  margin: 0.15rem 0 0;
}

/* ── Boutons ─────────────────────────────────────────────────────────── */
#tab-security .sec-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.55rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}
#tab-security .sec-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
#tab-security .sec-btn--primary {
  background: var(--sec-navy);
  color: #fff;
}
#tab-security .sec-btn--primary:hover:not(:disabled) {
  background: var(--sec-navy-2);
}
#tab-security .sec-btn--gold {
  background: var(--gold, #d4af37);
  color: var(--sec-navy);
}
#tab-security .sec-btn--gold:hover:not(:disabled) {
  background: var(--gold-dim, #8a7020);
  color: #fff;
}
#tab-security .sec-btn--outline {
  background: transparent;
  border-color: var(--sec-navy);
  color: var(--sec-navy);
}
#tab-security .sec-btn--outline:hover:not(:disabled) {
  background: var(--sec-blue-light);
}
#tab-security .sec-btn--danger {
  background: #fff;
  border-color: var(--sec-danger);
  color: var(--sec-danger);
}
#tab-security .sec-btn--danger:hover:not(:disabled) {
  background: var(--sec-danger-bg);
}
#tab-security .sec-btn--ghost {
  background: transparent;
  color: var(--sec-navy);
  padding: 0.4rem 0.6rem;
}
#tab-security .sec-btn:focus-visible,
#tab-security button:focus-visible,
#tab-security input:focus-visible,
#tab-security a:focus-visible {
  outline: 3px solid var(--sec-navy-2);
  outline-offset: 2px;
}

/* ── Badges ──────────────────────────────────────────────────────────── */
#tab-security .sec-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
#tab-security .sec-badge--verified { background: var(--sec-success-bg); color: var(--sec-success); }
#tab-security .sec-badge--pending { background: var(--sec-warning-bg); color: var(--sec-warning); }
#tab-security .sec-badge--revoked { background: var(--sec-danger-bg); color: var(--sec-danger); }
#tab-security .sec-badge--current { background: var(--sec-blue-light); color: var(--sec-navy); }
#tab-security .sec-badge--trusted { background: #fff7e0; color: var(--gold-dim, #8a7020); }

/* ── Cartes d'appareils ──────────────────────────────────────────────── */
#tab-security .sec-device-list,
#tab-security .sec-session-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

#tab-security .sec-card {
  background: #fff;
  border: 1px solid var(--sec-border);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

#tab-security .sec-card-main {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  min-width: 0;
}

#tab-security .sec-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--sec-blue-light);
  color: var(--sec-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

#tab-security .sec-card-title {
  font-weight: 700;
  color: var(--sec-navy);
  word-break: break-word;
}

#tab-security .sec-card-meta {
  font-size: 0.78rem;
  color: #5b6780;
  margin-top: 0.15rem;
}

#tab-security .sec-card-badges {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-top: 0.35rem;
}

#tab-security .sec-card-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

/* ── États (vide / erreur / chargement) ─────────────────────────────── */
#tab-security .sec-state {
  text-align: center;
  padding: 1.5rem 1rem;
  color: #5b6780;
  font-size: 0.9rem;
}
#tab-security .sec-state--error { color: var(--sec-danger); }
#tab-security .sec-skeleton {
  height: 64px;
  border-radius: 12px;
  background: linear-gradient(90deg, #eef2f9 25%, #f6f9fd 37%, #eef2f9 63%);
  background-size: 400% 100%;
  animation: sec-skeleton-loading 1.4s ease infinite;
}
@keyframes sec-skeleton-loading {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}
@media (prefers-reduced-motion: reduce) {
  #tab-security .sec-skeleton { animation: none; }
  #tab-security .sec-btn { transition: none; }
}

/* ── Conseils de sécurité ────────────────────────────────────────────── */
#tab-security .sec-tips {
  background: var(--sec-blue-light);
  border-radius: var(--sec-radius);
  padding: 1rem 1.1rem;
}
#tab-security .sec-tips ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
}
#tab-security .sec-tips li {
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
  color: var(--sec-text);
}

/* ── Modales (rename / verify / revoke) ─────────────────────────────── */
#tab-security .sec-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 42, 91, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 3000;
}
#tab-security .sec-modal-overlay.hidden { display: none; }
#tab-security .sec-modal {
  background: #fff;
  border-radius: var(--sec-radius);
  padding: 1.5rem;
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
}
#tab-security .sec-modal h3 {
  margin: 0 0 0.5rem;
  color: var(--sec-navy);
}
#tab-security .sec-modal p {
  color: #46536b;
  font-size: 0.88rem;
}
#tab-security .sec-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
#tab-security .sec-field {
  margin-top: 0.75rem;
}
#tab-security .sec-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sec-navy);
  margin-bottom: 0.3rem;
}
#tab-security .sec-field input {
  width: 100%;
  border: 1px solid var(--sec-border);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font-size: 0.95rem;
  box-sizing: border-box;
}
#tab-security .sec-field input.sec-code-input {
  letter-spacing: 0.4em;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
}
#tab-security .sec-field-error {
  color: var(--sec-danger);
  font-size: 0.78rem;
  margin-top: 0.25rem;
  min-height: 1em;
}
#tab-security .sec-verify-countdown {
  font-size: 0.78rem;
  color: #5b6780;
  margin-top: 0.4rem;
}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  #tab-security .sec-card { flex-direction: column; }
  #tab-security .sec-card-actions { width: 100%; }
  #tab-security .sec-card-actions .sec-btn { flex: 1; justify-content: center; }
  #tab-security .sec-section-head { flex-direction: column; align-items: flex-start; }
}
@media (min-width: 641px) and (max-width: 1024px) {
  #tab-security .sec-card { flex-wrap: nowrap; }
}