/**
 * INFO-TEC CHILE — Design system global (THEME-1)
 *
 * Source unique de la palette navy / or institutionnelle.
 * Fusionnée avec le thème historique de styles.css via @import
 * (aliases --bg-dark, --gold, --text-main, etc.) — pas de second système parallèle.
 *
 * Conservé hors de ce fichier (sémantique métier, ne pas forcer bleu/or) :
 *   --success / --itc-success  vert
 *   --danger  / --itc-danger   rouge
 *   --itc-warning              orange
 *
 * Phases :
 *   THEME-1  chrome global (sidebar, header, tokens)
 *   THEME-2  Dashboard Directeur, Finance, Pack, Cours (consomme --itc-* ; pas de 2e palette)
 *   THEME-3  Vidéo, Examens Admin, Certificats, Analytics, Archive
 *   THEME-4  pages publiques (/presentiel, landing, login, pack)
 *
 * Interdit : API, MongoDB, routes, DTO, auth, pricing, sessions, P7, P8.
 */

:root {
    --itc-navy-950: #0C183F;
    --itc-navy-900: #0D1A41;
    --itc-navy-800: #132557;

    --itc-gold-500: #DAB63E;
    --itc-gold-400: #FFE066;

    --itc-black: #141414;
    --itc-white: #FFFFFF;

    --itc-text-primary: #FFFFFF;
    --itc-text-secondary: #AEB9D4;

    --itc-border-blue: rgba(58, 102, 190, 0.55);
    --itc-border-gold: rgba(218, 182, 62, 0.65);

    --itc-surface-1: #0C183F;
    --itc-surface-2: #0D1A41;
    --itc-surface-3: #132557;

    --itc-radius: 14px;
    --itc-radius-sm: 8px;
    --itc-shadow: 0 8px 40px rgba(0, 0, 0, 0.45);
    --itc-focus-ring: 2px solid var(--itc-gold-400);

    --itc-success: #00c851;
    --itc-danger: #ff4444;
    --itc-warning: #f59e0b;

    --itc-placeholder: #8E9BB8;
    --itc-overlay: rgba(12, 24, 63, 0.72);
}

/* --- Primitives (réutiliser les classes existantes ; ne pas multiplier) --- */

.itc-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border: none;
    border-radius: var(--itc-radius-sm);
    padding: 10px 20px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
    background: var(--itc-gold-500);
    color: var(--itc-black);
    box-shadow: 0 4px 15px rgba(218, 182, 62, 0.22);
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.itc-btn-primary:hover {
    background: var(--itc-gold-400);
    color: var(--itc-black);
    box-shadow: 0 6px 20px rgba(218, 182, 62, 0.35);
}

.itc-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    border-radius: var(--itc-radius-sm);
    padding: 10px 20px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    font-size: 0.8rem;
    background: var(--itc-navy-800);
    color: var(--itc-white);
    border: 1px solid var(--itc-border-blue);
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.itc-btn-secondary:hover {
    background: var(--itc-navy-900);
    border-color: var(--itc-border-gold);
    color: var(--itc-white);
}

.itc-card,
.itc-panel {
    background: var(--itc-surface-3);
    color: var(--itc-text-primary);
    border: 1px solid var(--itc-border-blue);
    border-radius: var(--itc-radius);
    box-shadow: var(--itc-shadow);
}

.itc-card {
    padding: 1.5rem;
}

.itc-panel {
    padding: 1.25rem 1.5rem;
}

.itc-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: rgba(218, 182, 62, 0.16);
    color: var(--itc-gold-400);
    border: 1px solid var(--itc-border-gold);
}

.itc-badge--success {
    background: rgba(0, 200, 81, 0.14);
    color: #86efac;
    border-color: rgba(0, 200, 81, 0.4);
}

.itc-badge--danger {
    background: rgba(255, 68, 68, 0.14);
    color: #fca5a5;
    border-color: rgba(255, 68, 68, 0.4);
}

.itc-badge--warning {
    background: rgba(245, 158, 11, 0.16);
    color: #fcd34d;
    border-color: rgba(245, 158, 11, 0.45);
}

.itc-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.itc-tabs [role="tab"],
.itc-tabs .itc-tab {
    background: var(--itc-navy-900);
    color: var(--itc-text-secondary);
    border: 1px solid var(--itc-border-blue);
    border-radius: var(--itc-radius-sm);
    padding: 10px 14px;
    font-weight: 700;
    cursor: pointer;
}

.itc-tabs [role="tab"][aria-selected="true"],
.itc-tabs .itc-tab.is-active,
.itc-tabs .itc-tab.active {
    background: var(--itc-gold-500);
    color: var(--itc-black);
    border-color: var(--itc-gold-500);
}

.itc-input {
    width: 100%;
    padding: 15px;
    margin: 5px 0 15px;
    background: var(--itc-navy-950);
    border: 1px solid var(--itc-border-blue);
    color: var(--itc-text-primary);
    border-radius: 4px;
    font: inherit;
}

.itc-input::placeholder {
    color: var(--itc-placeholder);
    opacity: 1;
}

.itc-input:disabled,
.itc-input[readonly] {
    background: var(--itc-navy-900);
    color: var(--itc-text-secondary);
    opacity: 0.72;
    cursor: not-allowed;
}

.itc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.itc-table th {
    text-align: left;
    padding: 15px;
    background: var(--itc-navy-800);
    color: var(--itc-gold-400);
    text-transform: uppercase;
    font-size: 0.8rem;
}

.itc-table td {
    padding: 15px;
    border-bottom: 1px solid var(--itc-border-blue);
    color: var(--itc-text-secondary);
}

.itc-table tbody tr:hover {
    background: rgba(19, 37, 87, 0.55);
}

.itc-modal {
    background: rgba(12, 24, 63, 0.72);
    color: var(--itc-text-primary);
}

.itc-modal .itc-panel,
.itc-modal-content {
    background: var(--itc-surface-2);
    border: 1px solid var(--itc-border-gold);
    border-radius: var(--itc-radius);
    color: var(--itc-text-primary);
    box-shadow: var(--itc-shadow);
}

.itc-sidebar {
    background: var(--itc-navy-950);
    border-right: 1px solid var(--itc-border-blue);
    color: var(--itc-text-primary);
}

.itc-header {
    background: rgba(12, 24, 63, 0.96);
    border-bottom: 1px solid var(--itc-border-gold);
    color: var(--itc-text-primary);
}

.itc-section-title {
    margin: 0;
    color: var(--itc-text-primary);
    font-size: 1.5rem;
    letter-spacing: 0.01em;
}

.itc-section-kicker {
    color: var(--itc-gold-400);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.itc-btn-primary:focus-visible,
.itc-btn-secondary:focus-visible,
.itc-input:focus-visible,
.itc-tabs [role="tab"]:focus-visible,
.itc-tabs .itc-tab:focus-visible {
    outline: var(--itc-focus-ring);
    outline-offset: 2px;
}

.itc-input:focus,
.itc-input:focus-visible {
    border-color: var(--itc-gold-500);
}

@media (max-width: 768px) {
    .itc-btn-primary,
    .itc-btn-secondary {
        min-height: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .itc-btn-primary,
    .itc-btn-secondary {
        transition: none;
    }
}