/**
 * ==============================================================================
 * SADRA VISUALS — ARTBOOK PHOTOGRAPHY GALLERY DESIGN SYSTEM
 * LAYER 5.4: GLOBAL MEDIA PROTECTION SUITE
 * ==============================================================================
 * Stylesheet enforcing:
 * 1. Image Anti-Drag & Text-Selection Suppression
 * 2. Mobile Safari Touch Callout Suppression
 * 3. Transparent Media Shield Overlays
 * 4. Bespoke Context Menu & Mobile Action Sheet
 * 5. Glassmorphic Notification Toast Tray
 */

/* ==============================================================================
   1. ANTI-DRAG & SELECTION SUPPRESSION
   ============================================================================== */
img,
video,
.gallery-img,
.gallery-video,
.featured-img,
.slideshow-img,
.photo-img,
.photo-lqip,
.lightbox-img,
.lb-split-img,
#lbImage,
.photo-media-wrapper,
.photo-card-frame img,
.photo-card-frame video,
.media-shield,
.photo-media-shield,
.lightbox-shield,
.slideshow-shield,
.lb-split-shield {
    -webkit-user-drag: none !important;
    user-drag: none !important;
    user-select: none !important;
    -webkit-user-select: none !important;
    -webkit-touch-callout: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
}

/* ==============================================================================
   2. TRANSPARENT MEDIA PROTECTION SHIELDS
   ============================================================================== */
.media-shield,
.photo-media-shield,
.lightbox-shield,
.slideshow-shield,
.lb-split-shield {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: var(--shield-bg, rgba(0, 0, 0, 0.001));
    pointer-events: auto;
    border-radius: inherit;
    -webkit-user-drag: none !important;
    user-drag: none !important;
    user-select: none !important;
    -webkit-user-select: none !important;
    -webkit-touch-callout: none !important;
}

/* ==============================================================================
   2.1 DEACTIVATED PROTECTION RULES (When asset_protection_enabled is false)
   ============================================================================== */
body.asset-protection-disabled .media-shield,
body.asset-protection-disabled .photo-media-shield,
body.asset-protection-disabled .lightbox-shield,
body.asset-protection-disabled .slideshow-shield,
body.asset-protection-disabled .lb-split-shield {
    display: none !important;
    pointer-events: none !important;
}

body.asset-protection-disabled img,
body.asset-protection-disabled video,
body.asset-protection-disabled .gallery-img,
body.asset-protection-disabled .gallery-video,
body.asset-protection-disabled .featured-img,
body.asset-protection-disabled .slideshow-img,
body.asset-protection-disabled .photo-img,
body.asset-protection-disabled .lightbox-img,
body.asset-protection-disabled .lb-split-img,
body.asset-protection-disabled #lbImage,
body.asset-protection-disabled .photo-card-frame img,
body.asset-protection-disabled .photo-card-frame video {
    -webkit-user-drag: auto !important;
    user-drag: auto !important;
    user-select: auto !important;
    -webkit-user-select: auto !important;
    -webkit-touch-callout: default !important;
}

/* ==============================================================================
   3. BESPOKE CUSTOM CONTEXT MENU & MOBILE ACTION SHEET
   ============================================================================== */
.custom-context-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-modal) - 10);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.custom-context-backdrop.is-active {
    display: block;
    opacity: 1;
    pointer-events: auto;
}

.custom-context-menu {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    max-width: 290px;
    padding: 8px;
    opacity: 0;
    transform: scale(0.95);
    transform-origin: top left;
    transition: opacity 0.15s ease, transform 0.15s ease;
    user-select: none;
    -webkit-user-select: none;
}

.custom-context-menu.is-active {
    display: block;
    opacity: 1;
    transform: scale(1);
}

.custom-context-header {
    padding: 6px 10px 8px 10px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 6px;
}

.custom-context-title {
    font-family: var(--font-display);
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.custom-context-notice {
    font-size: 0.68rem;
    color: var(--accent-gold);
    font-family: var(--font-mono);
    letter-spacing: 0.04em;
    margin-top: 2px;
}

.custom-context-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    cursor: pointer;
    text-align: left;
    transition: background 0.15s ease, color 0.15s ease;
    box-sizing: border-box;
    touch-action: manipulation;
}

.custom-context-item:hover,
.custom-context-item:focus-visible {
    background: var(--bg-card-hover);
    color: var(--accent-gold);
    outline: none;
}

.custom-context-icon {
    font-size: 1rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
}

/* Mobile Action Sheet Transformation (< 768px) */
@media (max-width: 768px) {
    .custom-context-menu {
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        top: auto !important;
        width: 100% !important;
        max-width: 100% !important;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
        border-bottom: none !important;
        transform: translateY(100%) !important;
        transform-origin: bottom center !important;
        padding-bottom: max(16px, env(safe-area-inset-bottom, 0px)) !important;
        box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45) !important;
    }

    .custom-context-menu.is-active {
        transform: translateY(0) !important;
    }

    .sheet-drag-handle {
        display: block;
    }
}

/* ==============================================================================
   4. GLASSMORPHIC TOAST NOTIFICATION TRAY
   ============================================================================== */
.toast-container {
    position: fixed;
    z-index: var(--z-toast, 12000);
    display: flex;
    flex-direction: column-reverse;
    align-items: flex-end;
    gap: 8px;
    pointer-events: none;
    bottom: calc(var(--dock-height) + env(safe-area-inset-bottom, 0px) + 16px);
    right: max(16px, env(safe-area-inset-right, 0px));
    left: auto;
    max-width: calc(100vw - 32px);
    width: auto;
}

.toast-bubble {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    width: fit-content;
    max-width: 100%;
    padding: 10px 18px;
    border-radius: var(--radius-pill);
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-active);
    color: var(--text-primary);
    font-size: var(--text-sm);
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: translateX(20px) scale(0.95);
    transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1), transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: auto;
    word-break: break-word;
    cursor: pointer;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
    box-sizing: border-box;
    align-self: flex-end;
}

.toast-bubble.is-visible {
    opacity: 1;
    transform: translateX(0) scale(1);
}

.toast-bubble.is-leaving {
    opacity: 0;
    transform: translateX(24px) scale(0.92);
    pointer-events: none;
}

.toast-icon {
    font-size: 1.1rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast-text {
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: min(360px, calc(100vw - 110px));
}

@media (max-width: 480px) {
    .toast-container {
        left: auto;
        right: max(12px, env(safe-area-inset-right, 0px));
        bottom: calc(var(--dock-height) + env(safe-area-inset-bottom, 0px) + 12px);
        align-items: flex-end;
        max-width: calc(100vw - 24px);
        width: auto;
    }

    .toast-bubble {
        width: fit-content;
        max-width: 100%;
        padding: 9px 15px;
    }

    .toast-text {
        max-width: calc(100vw - 90px);
        white-space: normal;
        word-break: break-word;
    }
}