/**
 * Slot-Details Modal - Booking Overlay Styles
 * Extrahierte, tokenisierte Styles aus combined-booking.css ohne Legacy Slot Cards
 *
 * @package VR-Infotainment
 * @since 1.0.0
 * @see _tokens.css for CSS Custom Properties
 */

/* ============================================================================
   1. MODAL CONTAINER & LAYOUT
   ============================================================================ */

.slot-details-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal, 1050);
    display: none;
    align-items: center;
    justify-content: center;
    padding: clamp(var(--spacing-3), 3vw, var(--spacing-7));
    opacity: 0;
    transition: opacity var(--transition-slower, 500ms) var(--ease-DEFAULT);
}

.slot-details-modal.active {
    display: flex;
    opacity: 1;
}

.slot-details-modal__backdrop {
    position: absolute;
    inset: 0;
    background: color-mix(in srgb, var(--color-gray-900) 85%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    animation: slot-modal-fade var(--transition-slow, 300ms) var(--ease-DEFAULT);
}

.slot-details-modal__content {
    position: relative;
    width: min(960px, 100%);
    max-height: calc(100vh - clamp(var(--spacing-6), 10vh, var(--spacing-14)));
    background: linear-gradient(
        145deg,
        color-mix(in srgb, var(--color-bg-tertiary) 90%, transparent) 0%,
        color-mix(in srgb, var(--color-bg-secondary) 94%, transparent) 100%
    );
    border: 1px solid color-mix(in srgb, var(--color-border-default) 82%, transparent);
    border-radius: var(--radius-modal);
    box-shadow:
        var(--shadow-elevated-lg, 0 40px 70px rgba(8, 11, 24, 0.55)),
        0 0 0 1px color-mix(in srgb, var(--color-primary) 25%, transparent);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: slot-modal-rise var(--transition-slow, 300ms) var(--ease-out);
}

/* ============================================================================
   2. HEADER & TITLE
   ============================================================================ */

.slot-details-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
    padding: clamp(var(--spacing-4), 2vw, var(--spacing-6));
    border-bottom: 1px solid var(--color-border-subtle);
    background: color-mix(in srgb, var(--color-bg-secondary) 85%, transparent);
}

.slot-details-modal__title {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 1vw + 1.25rem, 1.75rem);
    font-weight: var(--font-bold);
    line-height: var(--leading-snug);
    color: var(--color-text-primary);
    letter-spacing: var(--tracking-tight);
}

.slot-details-modal__date {
    margin-top: var(--spacing-1);
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
}

.slot-details-modal__close {
    width: 2.5rem;
    height: 2.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--color-bg-glass) 90%, transparent);
    border: 1px solid var(--color-border-subtle);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition:
        transform var(--transition-fast, 150ms) var(--ease-DEFAULT),
        background var(--transition-fast, 150ms) var(--ease-DEFAULT),
        border-color var(--transition-fast, 150ms) var(--ease-DEFAULT),
        color var(--transition-fast, 150ms) var(--ease-DEFAULT);
}

.slot-details-modal__close:hover {
    background: color-mix(in srgb, var(--color-primary) 12%, var(--color-bg-glass));
    border-color: color-mix(in srgb, var(--color-primary) 45%, var(--color-border-subtle));
    color: var(--color-text-primary);
    transform: scale(1.05);
}

/* ============================================================================
   3. BODY & CONTENT STATES
   ============================================================================ */

.slot-details-modal__body {
    padding: clamp(var(--spacing-4), 3vw, var(--spacing-6));
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.slot-details-modal__body--enhanced {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-4);
    align-content: start;
}

.slot-details-modal__empty,
.slot-details-modal__loading {
    text-align: center;
    padding: clamp(var(--spacing-6), 5vw, var(--spacing-9));
    color: var(--color-text-tertiary);
}

.slot-details-modal__empty-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-3);
    color: color-mix(in srgb, var(--color-text-tertiary) 85%, transparent);
    opacity: 0.75;
}

.slot-details-modal__loading-spinner {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-3);
    border: 3px solid color-mix(in srgb, var(--color-primary) 15%, transparent);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: slot-modal-spin 1s linear infinite;
}

/* ============================================================================
   4. ANIMATIONS
   ============================================================================ */

@keyframes slot-modal-fade {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slot-modal-rise {
    from {
        opacity: 0;
        transform: translateY(18px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes slot-modal-spin {
    to { transform: rotate(360deg); }
}

/* ============================================================================
   5. MEDIA QUERIES (gebündelt)
   ============================================================================ */

@media (max-width: 768px) {
    .slot-details-modal {
        padding: var(--spacing-3);
    }

    .slot-details-modal__content {
        max-height: calc(100vh - var(--spacing-6));
        border-radius: var(--radius-xl);
    }

    .slot-details-modal__header {
        padding: var(--spacing-4);
    }

    .slot-details-modal__body {
        padding: var(--spacing-4);
    }
}

@media (max-width: 640px) {
    .slot-details-modal {
        padding: 0;
    }

    .slot-details-modal__content {
        width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    .slot-details-modal__body--enhanced {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .slot-details-modal,
    .slot-details-modal__content,
    .slot-details-modal__backdrop {
        animation: none;
        transition: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .slot-details-modal__content {
        border-width: 2px;
    }

    .slot-details-modal__header {
        border-bottom-width: 2px;
    }

    .slot-details-modal__close {
        border-width: 2px;
    }
}