/* ════════════════════════════════════════════════
   ACCESSIBILITÉ TRAVAPOWA — WCAG 2.1 AA
   ════════════════════════════════════════════════ */

/* ── Skip link ── */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: 9999;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    font: 700 0.9rem/1 var(--font-primary);
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: var(--space-3) var(--space-6);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    text-decoration: none;
    transition: top var(--transition-fast);
}
.skip-link:focus { top: 0; }

/* ── Focus visible sur TOUT ── */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 2px;
}

:focus:not(:focus-visible) { outline: none; }

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
    box-shadow: 0 0 0 6px rgba(240, 127, 32, .20);
}

.input:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(240, 127, 32, .15);
}

a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 2px;
}

/* ── Lecteurs d'écran uniquement ── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sr-only-focusable:focus,
.sr-only-focusable:active {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* ── Taille de police minimale ── */
html { font-size: 17px; }

@media (min-width: 1280px) {
    html { font-size: clamp(15px, 1.1vw, 18px); }
}

/* Formulaires : 16px min pour éviter le zoom iOS */
input, select, textarea {
    font-size: max(16px, 1rem);
}

/* ── Cibles tactiles WCAG 2.1 AA — min 44×44px ── */
button, [role="button"], a, input[type="checkbox"], input[type="radio"] {
    min-height: 44px;
}

input[type="checkbox"], input[type="radio"] {
    min-width: 44px;
    min-height: 44px;
    cursor: pointer;
}

.btn, input[type="submit"], input[type="button"] {
    min-height: 48px;
}

/* ── Réduction de mouvement ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .skeleton {
        animation: none;
        background: var(--color-bg-elevated);
    }

    .hero__scroll { animation: none; }
    .card:hover { transform: none; }
    .btn:hover  { transform: none; }
}

/* ── Mode contraste élevé ── */
@media (prefers-contrast: high) {
    :root {
        --color-border:        rgba(255, 255, 255, .40);
        --color-border-mid:    rgba(255, 255, 255, .60);
        --color-text-primary:  #ffffff;
        --color-text-secondary: #dddddd;
        --color-text-muted:    rgba(255, 255, 255, .60);
    }

    .card  { border-width: 2px; }
    .btn--ghost { border-width: 2px; }
    .input { border-width: 2px; }

    :focus-visible {
        outline-width: 3px;
        outline-offset: 4px;
    }
}

/* ── Mode sombre forcé (respecte la préférence système) ── */
@media (prefers-color-scheme: light) {
    /* TravaPowa est dark-only — on maintient le dark même en préférence light */
    :root { color-scheme: dark; }
}

/* ── Navigation au clavier — indicateur visible ── */
[data-keyboard-nav] *:focus {
    outline: 3px solid var(--color-primary) !important;
    outline-offset: 4px !important;
}

/* ── Liens — underline au survol pour lisibilité ── */
main a:not(.btn):not(.card):not([class*="badge"]):hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ── Aria-busy ── */
[aria-busy="true"] {
    cursor: wait;
    opacity: .7;
}

/* ── Aria-disabled ── */
[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: .4;
    pointer-events: none;
}

/* ── Aria-invalid ── */
[aria-invalid="true"] {
    border-color: var(--color-danger) !important;
    box-shadow: 0 0 0 3px rgba(192, 57, 43, .15) !important;
}

/* ── Mode impression ── */
@media print {
    .header, .footer, .cookie-banner,
    .booking-bar, .toast, .drawer,
    .bottom-sheet, [data-controller="toast"] {
        display: none !important;
    }

    body { background: white; color: black; }
    a[href]::after { content: " (" attr(href) ")"; font-size: .8em; }
    .sr-only { position: static; width: auto; height: auto; }
}

/* ── État de chargement accessible ── */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--overlay-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

.loading-overlay::after {
    content: attr(aria-label);
    position: absolute;
    bottom: 30%;
    color: var(--color-text-secondary);
    font-size: .9rem;
}

/* ── Table accessible ── */
table {
    border-collapse: collapse;
    width: 100%;
}

th {
    text-align: left;
    font-weight: 700;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--color-text-muted);
    padding: var(--space-3) var(--space-4);
    border-bottom: 2px solid var(--color-border);
}

td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-primary);
    font-size: .9rem;
}

tr:last-child td { border-bottom: none; }

tr:hover td { background: var(--color-bg-surface); }