/*
 * Admin Panel — Toast Notifications
 *
 * Stacking inline notifications anchored to a fixed region. Consumed via
 * the adminToast.* JS API (admin-toast.js). Scoped to body[data-page="admin"].
 *
 * Markup pattern (generated by JS):
 *   <div class="admin-toast-region" role="region" aria-label="Notifications">
 *     <div class="admin-toast admin-toast--success" role="status" aria-live="polite">
 *       <span class="admin-toast__icon" aria-hidden="true">…</span>
 *       <div class="admin-toast__body">
 *         <p class="admin-toast__title">Saved</p>
 *         <p class="admin-toast__message">Changes were saved successfully.</p>
 *       </div>
 *       <button class="admin-toast__close" aria-label="Dismiss notification">×</button>
 *     </div>
 *   </div>
 *
 * Variants: --success, --error, --warning, --info, (default: neutral)
 */

/* ── Region (single, lives at the end of <body>) ───────────────────────── */

body[data-page="admin"] .admin-toast-region {
    position: fixed;
    bottom: var(--admin-space-5);
    right: var(--admin-space-5);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: var(--admin-space-2);
    pointer-events: none; /* clicks pass through gaps; toasts re-enable */
    max-width: min(420px, calc(100vw - 2 * var(--admin-space-3)));
    width: auto;
}

@media (max-width: 640px) {
    body[data-page="admin"] .admin-toast-region {
        top: calc(56px + var(--admin-space-2));
        right: var(--admin-space-3);
        left: var(--admin-space-3);
        bottom: auto;
        max-width: none;
    }
}

/* ── Toast card ───────────────────────────────────────────────────────── */

body[data-page="admin"] .admin-toast {
    pointer-events: auto;
    display: flex;
    align-items: flex-start;
    gap: var(--admin-space-3);
    padding: var(--admin-space-3) var(--admin-space-4);
    background: var(--admin-surface-elevated);
    border: 1px solid var(--admin-border);
    border-left: 3px solid var(--admin-text-muted);
    border-radius: var(--admin-radius-md);
    box-shadow: var(--admin-shadow-2);
    color: var(--admin-text);
    font-size: 13px;
    line-height: 1.4;
    min-width: 280px;
    max-width: 420px;
    animation: adminToastSlideIn 220ms var(--admin-ease) both;
}

@keyframes adminToastSlideIn {
    from { transform: translateY(8px); opacity: 0; }
    to   { transform: translateY(0);   opacity: 1; }
}

@media (max-width: 640px) {
    @keyframes adminToastSlideIn {
        from { transform: translateY(-8px); opacity: 0; }
        to   { transform: translateY(0);    opacity: 1; }
    }
}

body[data-page="admin"] .admin-toast.is-leaving {
    animation: adminToastSlideOut 180ms var(--admin-ease) both;
}
@keyframes adminToastSlideOut {
    from { transform: translateY(0);   opacity: 1; }
    to   { transform: translateY(8px); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    body[data-page="admin"] .admin-toast,
    body[data-page="admin"] .admin-toast.is-leaving {
        animation: none;
    }
}

/* ── Variants ─────────────────────────────────────────────────────────── */

body[data-page="admin"] .admin-toast--success {
    border-left-color: var(--admin-success);
}
body[data-page="admin"] .admin-toast--success .admin-toast__icon {
    background: var(--admin-success-soft);
    color: var(--admin-success);
}

body[data-page="admin"] .admin-toast--error,
body[data-page="admin"] .admin-toast--danger {
    border-left-color: var(--admin-danger);
}
body[data-page="admin"] .admin-toast--error .admin-toast__icon,
body[data-page="admin"] .admin-toast--danger .admin-toast__icon {
    background: var(--admin-danger-soft);
    color: var(--admin-danger);
}

body[data-page="admin"] .admin-toast--warning {
    border-left-color: var(--admin-warning);
}
body[data-page="admin"] .admin-toast--warning .admin-toast__icon {
    background: var(--admin-warning-soft);
    color: var(--admin-warning);
}

body[data-page="admin"] .admin-toast--info {
    border-left-color: var(--admin-info);
}
body[data-page="admin"] .admin-toast--info .admin-toast__icon {
    background: var(--admin-info-soft);
    color: var(--admin-info);
}

/* ── Parts ────────────────────────────────────────────────────────────── */

body[data-page="admin"] .admin-toast__icon {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    border-radius: var(--admin-radius-sm);
    background: var(--admin-surface-raised);
    color: var(--admin-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
}
body[data-page="admin"] .admin-toast__icon svg {
    width: 16px;
    height: 16px;
}

body[data-page="admin"] .admin-toast__body {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
body[data-page="admin"] .admin-toast__title {
    margin: 0;
    font-weight: 600;
    color: var(--admin-text);
    font-size: 13px;
    line-height: 1.3;
}
body[data-page="admin"] .admin-toast__message {
    margin: 0;
    color: var(--admin-text-muted);
    font-size: 12px;
    line-height: 1.4;
    word-wrap: break-word;
}
body[data-page="admin"] .admin-toast__message a {
    color: var(--admin-accent);
    text-decoration: underline;
}

body[data-page="admin"] .admin-toast__close {
    flex: 0 0 auto;
    width: 24px;
    height: 24px;
    margin-top: -2px;
    margin-right: -4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    background: transparent;
    color: var(--admin-text-subtle);
    border-radius: var(--admin-radius-sm);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    transition: background var(--admin-dur-1) var(--admin-ease),
                color var(--admin-dur-1) var(--admin-ease);
}
body[data-page="admin"] .admin-toast__close:hover {
    background: var(--admin-surface-raised);
    color: var(--admin-text);
}
body[data-page="admin"] .admin-toast__close:focus-visible {
    outline: none;
    box-shadow: var(--admin-focus);
}

/* Toast with optional action button (e.g. "Undo") */
body[data-page="admin"] .admin-toast__action {
    flex: 0 0 auto;
    align-self: center;
    height: 28px;
    padding: 0 var(--admin-space-3);
    background: transparent;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    color: var(--admin-text);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--admin-dur-1) var(--admin-ease),
                border-color var(--admin-dur-1) var(--admin-ease);
}
body[data-page="admin"] .admin-toast__action:hover {
    background: var(--admin-surface-raised);
    border-color: var(--admin-border-strong);
}

@media (pointer: coarse), (max-width: 768px) {
    body[data-page="admin"] .admin-toast__close {
        width: var(--admin-tap-h);
        height: var(--admin-tap-h);
        margin-top: -8px;
        margin-right: -10px;
    }

    body[data-page="admin"] .admin-toast__action {
        min-height: var(--admin-tap-h);
    }
}
