/* =================================================================
 * BROWSER SCREENSHOT VIEWER
 * Premium floating button + full-screen screenshot slider viewer.
 * Designed for mobile-first with touch swipe, glassmorphism, and
 * smooth micro-animations.
 * ================================================================= */

/* ─── FLOATING TV BUTTON ─────────────────────────────────────── */

.browser-view-btn {
    position: fixed;
    bottom: calc(var(--input-bottom-offset, 56px) + 70px);
    right: 20px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    z-index: calc(var(--z-input-container, 100) + 2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    
    /* Light mode - Dark glassmorphic button */
    background: rgba(50, 50, 50, 0.8);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(80, 80, 80, 0.4);
    color: #fff;
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.25),
        0 1px 3px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);

    /* Entrance / exit transition */
    transition:
        transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
        opacity 0.3s ease,
        box-shadow 0.25s ease,
        background 0.3s ease;
    transform: scale(1);
    opacity: 1;
}

.browser-view-btn.hidden {
    transform: scale(0.4);
    opacity: 0;
    pointer-events: none;
}

.browser-view-btn:hover {
    transform: scale(1.08);
    background: rgba(60, 60, 60, 0.9);
    box-shadow:
        0 6px 24px rgba(0, 0, 0, 0.35),
        0 2px 6px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.browser-view-btn:active {
    transform: scale(0.94);
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Dark mode button styling - Cream white glassmorphism */
.dark-mode .browser-view-btn {
    background: rgba(245, 245, 220, 0.85);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(255, 255, 240, 0.4);
    color: #1a1a1a;
    box-shadow:
        0 4px 16px rgba(245, 245, 220, 0.35),
        0 1px 3px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.dark-mode .browser-view-btn:hover {
    background: rgba(245, 245, 220, 0.95);
    box-shadow:
        0 6px 24px rgba(245, 245, 220, 0.45),
        0 2px 6px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

/* Pulse ring animation when a new screenshot arrives */
.browser-view-btn::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(80, 80, 80, 0.6);
    opacity: 0.5;
    animation: pulseRing 2s ease-out infinite;
    pointer-events: none;
}

.dark-mode .browser-view-btn::before {
    border: 2px solid rgba(245, 245, 220, 0.7);
}

@keyframes pulseRing {
    0%   { transform: scale(1);   opacity: 0.7; }
    70%  { transform: scale(1.35); opacity: 0; }
    100% { transform: scale(1.35); opacity: 0; }
}

/* Count badge */
.browser-view-btn .screenshot-count-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 22px;
    height: 22px;
    padding: 0 5px;
    border-radius: 11px;
    background: #ef4444;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-color, #0f0f0f);
    line-height: 1;
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.4);
}

/* ─── VIEWER OVERLAY ─────────────────────────────────────────── */

.browser-screenshot-viewer {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: flex-end;          /* bottom-sheet style on mobile */
    justify-content: center;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.browser-screenshot-viewer.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Backdrop */
.viewer-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(12px) saturate(120%);
    -webkit-backdrop-filter: blur(12px) saturate(120%);
}

.dark-mode .viewer-overlay {
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(12px) saturate(120%);
    -webkit-backdrop-filter: blur(12px) saturate(120%);
}

/* ─── VIEWER CONTAINER (the "card") ──────────────────────────── */

.viewer-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    max-height: 60vh;
    z-index: 1;

    /* Enhanced glassmorphism card - Light Mode */
    background: rgba(50, 50, 50, 0.8);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(80, 80, 80, 0.4);
    border-bottom: none;
    border-radius: 20px 20px 0 0;
    box-shadow:
        0 -8px 48px rgba(0, 0, 0, 0.5),
        0 -2px 16px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        inset 0 -1px 0 rgba(255, 255, 255, 0.05);

    display: flex;
    flex-direction: column;
    overflow: hidden;

    /* Slide-up entrance */
    animation: viewerSlideUp 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Dark mode glassmorphism - Enhanced cream white glass */
.dark-mode .viewer-container {
    background: rgba(245, 245, 220, 0.88);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 240, 0.4);
    border-bottom: none;
    box-shadow:
        0 -8px 48px rgba(245, 245, 220, 0.4),
        0 -2px 16px rgba(245, 245, 220, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        inset 0 -1px 0 rgba(255, 255, 255, 0.15);
}

@keyframes viewerSlideUp {
    from {
        transform: translateY(100%);
        opacity: 0.5;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ─── HEADER ─────────────────────────────────────────────────── */

.viewer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    flex-shrink: 0;
    /* No border - seamless integration */
}

.viewer-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    gap: 8px;
    letter-spacing: 0.01em;
}

.viewer-title i {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Dark mode header text */
.dark-mode .viewer-title {
    color: rgba(30, 30, 30, 0.95);
}

.dark-mode .viewer-title i {
    color: rgba(30, 30, 30, 0.7);
}

.viewer-close-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: none;
    
    /* Enhanced glassmorphic close button */
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s ease;
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.viewer-close-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    color: rgba(255, 255, 255, 1);
    transform: scale(1.05);
    box-shadow: 
        0 4px 12px rgba(255, 255, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* Dark mode close button */
.dark-mode .viewer-close-btn {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.3);
    color: rgba(30, 30, 30, 0.9);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.dark-mode .viewer-close-btn:hover {
    background: rgba(0, 0, 0, 0.3);
    color: rgba(30, 30, 30, 1);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

/* ─── SLIDER AREA ────────────────────────────────────────────── */

.screenshot-slider-container {
    flex: 1;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

.screenshot-slider {
    display: flex;
    flex: 1;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    gap: 0;
    padding: 12px 20px;
    -webkit-overflow-scrolling: touch;

    /* Hide scrollbar for clean swipe UX */
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.screenshot-slider::-webkit-scrollbar {
    display: none;
}

/* ─── SCREENSHOT ITEM ────────────────────────────────────────── */

.screenshot-item {
    flex: 0 0 100%;
    scroll-snap-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 8px;
    box-sizing: border-box;
}

.screenshot-item img {
    max-width: 100%;
    max-height: 50vh;
    object-fit: contain;
    border-radius: 10px;
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 2px 8px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    user-select: none;
    -webkit-user-drag: none;
}

.screenshot-item img:hover {
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.5),
        0 4px 12px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.12);
}

.dark-mode .screenshot-item img {
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 2px 8px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.1);
}

.dark-mode .screenshot-item img:hover {
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.4),
        0 4px 12px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.15);
}

/* ─── SCREENSHOT FALLBACK (error state) ──────────────────────── */

.screenshot-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 40px;
    color: var(--text-secondary, #666);
    font-size: 0.85rem;
}

.screenshot-fallback.hidden {
    display: none;
}

.screenshot-fallback i {
    font-size: 2rem;
    opacity: 0.4;
}

/* ─── SCREENSHOT INFO CHIP WITH INLINE NAVIGATION ───────────── */

.screenshot-info-with-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    max-width: 85%;
    justify-content: center;
}

.screenshot-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 8px 18px;
    flex: 1;
    min-width: 0;
    
    /* Enhanced glassmorphic info box */
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

/* Dark mode info box */
.dark-mode .screenshot-info {
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.3);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.screenshot-action {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    text-transform: capitalize;
    letter-spacing: 0.02em;
}

.dark-mode .screenshot-action {
    color: rgba(30, 30, 30, 0.9);
}

.screenshot-url {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.dark-mode .screenshot-url {
    color: rgba(30, 30, 30, 0.6);
}

/* Inline navigation buttons */
.nav-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    flex-shrink: 0;
    
    /* Enhanced glassmorphic buttons */
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.25);
    
    color: rgba(255, 255, 255, 0.95);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.28);
    transform: scale(1.05);
    box-shadow: 
        0 6px 16px rgba(255, 255, 255, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.nav-btn:active {
    transform: scale(0.95);
}

/* Dark mode navigation buttons */
.dark-mode .nav-btn {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.3);
    color: rgba(30, 30, 30, 0.9);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.dark-mode .nav-btn:hover {
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 
        0 6px 16px rgba(0, 0, 0, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

/* ─── SLIDE INDICATOR (standalone, centered) ──────────────────── */

.slide-indicator-container {
    display: flex;
    justify-content: center;
    padding: 8px 20px 12px;
    flex-shrink: 0;
}

.slide-indicator {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border-radius: 12px;
    
    /* Enhanced glassmorphic background */
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.dark-mode .slide-indicator {
    color: rgba(30, 30, 30, 0.8);
    background: rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.2);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Old slider controls - REMOVED (navigation now inline) */
.slider-controls {
    display: none;
}

.slider-btn {
    display: none;
}

/* ─── MOBILE RESPONSIVE ──────────────────────────────────────── */

@media (max-width: 768px) {
    .browser-view-btn {
        width: 48px;
        height: 48px;
        font-size: 1.1rem;
        bottom: calc(var(--input-bottom-offset, 56px) + 60px);
        right: 16px;
    }

    .viewer-container {
        width: 100%;
        max-height: 70vh;
        border-radius: 18px 18px 0 0;
    }

    .viewer-header {
        padding: 8px 14px;
    }

    .screenshot-item {
        padding: 0 4px;
        gap: 8px;
    }

    .screenshot-item img {
        max-height: 45vh;
    }

    .screenshot-info-with-nav {
        max-width: 92%;
        gap: 6px;
    }

    .screenshot-info {
        padding: 6px 14px;
    }

    .nav-btn {
        width: 34px;
        height: 34px;
        font-size: 0.8rem;
    }

    .slide-indicator-container {
        padding: 6px 16px 10px;
    }
}

/* ─── DESKTOP ────────────────────────────────────────────────── */

@media (min-width: 769px) {
    .browser-screenshot-viewer {
        align-items: center;    /* Center on desktop, not bottom-sheet */
    }

    .viewer-container {
        width: 85%;
        max-width: 960px;
        max-height: 65vh;
        border-radius: 16px;
        border: 1px solid rgba(80, 80, 80, 0.4);
    }

    .dark-mode .viewer-container {
        border: 1px solid rgba(255, 255, 240, 0.4);
    }

    @keyframes viewerSlideUp {
        from {
            transform: translateY(30px) scale(0.97);
            opacity: 0;
        }
        to {
            transform: translateY(0) scale(1);
            opacity: 1;
        }
    }
}

/* ─── TOUCH GESTURES ─────────────────────────────────────────── */

@media (hover: none) and (pointer: coarse) {
    .screenshot-slider {
        -webkit-overflow-scrolling: touch;
    }

    .screenshot-item img {
        touch-action: pan-x pinch-zoom;
    }

    /* Remove hover effects on touch devices */
    .browser-view-btn:hover {
        transform: scale(1);
        box-shadow:
            0 4px 16px rgba(99, 102, 241, 0.35),
            0 1px 3px rgba(0, 0, 0, 0.15);
    }

    .slider-btn:hover {
        transform: scale(1);
    }
}

/* ─── REDUCED MOTION ─────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    .browser-view-btn,
    .viewer-container,
    .slider-btn,
    .screenshot-item img {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }

    .browser-view-btn::before {
        animation: none;
    }
}