/* Memphis UI Design System */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Memphis Colors */
    --memphis-pink: #FF6B9D;
    --memphis-yellow: #FFE156;
    --memphis-cyan: #00D4AA;
    --memphis-blue: #4ECDC4;
    --memphis-purple: #9B59B6;
    --memphis-orange: #FF8C42;
    --memphis-red: #FF6B6B;
    --memphis-black: #2D3436;
    --memphis-white: #FEFEFE;
    --memphis-cream: #FFF8E7;

    /* Functional Colors */
    --background: var(--memphis-cream);
    --foreground: var(--memphis-black);
    --card: var(--memphis-white);
    --card-hover: #FFF0D4;
    --primary: var(--memphis-pink);
    --primary-foreground: var(--memphis-white);
    --secondary: var(--memphis-yellow);
    --secondary-foreground: var(--memphis-black);
    --accent: var(--memphis-cyan);
    --accent-foreground: var(--memphis-black);
    --muted: #F0E6D3;
    --muted-foreground: #636E72;
    --border: var(--memphis-black);
    --border-width: 3px;
    --radius: 0px;

    /* Memphis Shadow */
    --shadow-offset: 4px;
    --shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--memphis-black);
    --shadow-lg: 6px 6px 0 var(--memphis-black);
}

body {
    font-family: 'Fredoka One', 'Comic Sans MS', 'Marker Felt', sans-serif;
    background: var(--background);
    color: var(--foreground);
    line-height: 1.5;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
    overflow-x: hidden;
    position: relative;
}

/* Memphis Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    background-image:
        /* Circles */
        radial-gradient(circle at 10% 20%, var(--memphis-pink) 8px, transparent 8px),
        radial-gradient(circle at 90% 80%, var(--memphis-cyan) 12px, transparent 12px),
        radial-gradient(circle at 80% 10%, var(--memphis-yellow) 6px, transparent 6px),
        radial-gradient(circle at 20% 90%, var(--memphis-purple) 10px, transparent 10px),
        radial-gradient(circle at 50% 50%, var(--memphis-orange) 4px, transparent 4px),
        /* Triangles using linear-gradient */
        linear-gradient(135deg, var(--memphis-blue) 5px, transparent 5px),
        linear-gradient(225deg, var(--memphis-pink) 5px, transparent 5px),
        /* Dots pattern */
        radial-gradient(circle, var(--memphis-black) 1px, transparent 1px);
    background-size:
        200px 200px,
        300px 300px,
        250px 250px,
        350px 350px,
        400px 400px,
        100px 100px,
        150px 150px,
        20px 20px;
    background-position:
        0 0,
        50px 50px,
        100px 0,
        0 100px,
        200px 200px,
        30% 70%,
        70% 30%,
        0 0;
    opacity: 0.4;
}

/* Layout */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow-x: auto;
    overflow-y: hidden;
    min-width: fit-content;
}

/* Header */
.header {
    border-bottom: var(--border-width) solid var(--border);
    background: var(--memphis-yellow);
    position: relative;
    z-index: 100;
}

.header::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 5px;
    background: repeating-linear-gradient(
        90deg,
        var(--memphis-pink) 0px,
        var(--memphis-pink) 20px,
        var(--memphis-cyan) 20px,
        var(--memphis-cyan) 40px,
        var(--memphis-purple) 40px,
        var(--memphis-purple) 60px
    );
}

.header-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-logo {
    width: 36px;
    height: 36px;
    border-radius: 0;
    border: var(--border-width) solid var(--border);
    box-shadow: 3px 3px 0 var(--memphis-black);
}

.header-title h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--memphis-black);
    text-shadow: 2px 2px 0 var(--memphis-white);
}

.text-muted {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* Main Layout */
.main {
    flex: 1;
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    padding-top: 8px;
    min-width: 0;
}

.panel {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.panel-left {
    flex: 1;
    min-width: 350px;
    max-width: 600px;
    border-right: var(--border-width) solid var(--border);
    background: linear-gradient(180deg, rgba(255,225,86,0.1) 0%, rgba(255,107,157,0.1) 100%);
}

.panel-right {
    flex: 1.5;
    min-width: 400px;
    background: linear-gradient(180deg, rgba(78,205,196,0.1) 0%, rgba(155,89,182,0.1) 100%);
}

/* Card Component */
.card {
    background: var(--card);
    border: var(--border-width) solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
    position: relative;
}

.card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--memphis-black);
}

/* Upload Area */
.upload-area {
    border: 3px dashed var(--memphis-pink);
    border-radius: var(--radius);
    padding: 3rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255,107,157,0.05) 10px,
        rgba(255,107,157,0.05) 20px
    );
}

.upload-area:hover {
    border-color: var(--memphis-cyan);
    background: var(--memphis-yellow);
    transform: rotate(-1deg);
}

.upload-area.drag-over {
    border-color: var(--memphis-cyan);
    background: var(--memphis-cyan);
    transform: scale(1.02) rotate(1deg);
}

.upload-icon {
    width: 4rem;
    height: 4rem;
    color: var(--memphis-pink);
    filter: drop-shadow(2px 2px 0 var(--memphis-black));
}

.upload-text {
    color: var(--foreground);
    font-size: 1rem;
    font-weight: 600;
}

/* URL Section */
.url-section {
    margin-top: 1.5rem;
}

.divider {
    position: relative;
    text-align: center;
    margin: 1.5rem 0;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 3px;
    background: repeating-linear-gradient(
        90deg,
        var(--memphis-pink),
        var(--memphis-pink) 8px,
        transparent 8px,
        transparent 16px
    );
}

.divider span {
    position: relative;
    padding: 0 1rem;
    background: var(--card);
    color: var(--muted-foreground);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
}

.url-input-group {
    display: flex;
    gap: 0.75rem;
}

/* Input */
.input {
    flex: 1;
    height: 3rem;
    padding: 0 1rem;
    background: var(--memphis-white);
    border: var(--border-width) solid var(--border);
    border-radius: var(--radius);
    color: var(--foreground);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: all 0.2s ease;
    box-shadow: 3px 3px 0 var(--memphis-black);
}

.input:focus {
    border-color: var(--memphis-pink);
    box-shadow: 3px 3px 0 var(--memphis-pink);
    transform: translate(-1px, -1px);
}

.input::placeholder {
    color: var(--muted-foreground);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    height: 3rem;
    padding: 0 1.25rem;
    border: var(--border-width) solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    outline: none;
    transition: all 0.15s ease;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    box-shadow: var(--shadow);
}

.btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--memphis-black);
}

.btn:active {
    transform: translate(2px, 2px);
    box-shadow: 0 0 0 var(--memphis-black);
}

.btn-primary {
    background: var(--memphis-pink);
    color: var(--memphis-white);
}

.btn-primary:hover {
    background: var(--memphis-cyan);
    color: var(--memphis-black);
}

.btn-secondary {
    background: var(--memphis-yellow);
    color: var(--memphis-black);
}

.btn-secondary:hover {
    background: var(--memphis-orange);
    color: var(--memphis-white);
}

.btn-ghost {
    background: var(--memphis-white);
    color: var(--memphis-black);
}

.btn-ghost:hover {
    background: var(--memphis-purple);
    color: var(--memphis-white);
}

.btn-sm {
    height: 2.25rem;
    padding: 0 0.875rem;
    font-size: 0.75rem;
    box-shadow: 3px 3px 0 var(--memphis-black);
}

.btn-sm:hover {
    box-shadow: 4px 4px 0 var(--memphis-black);
}

/* Video Container */
.video-container {
    position: relative;
    width: 100%;
    background: var(--memphis-black);
    border: var(--border-width) solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow);
}

#videoPlayer {
    width: 100%;
    height: auto;
    max-height: 400px;
    display: block;
}

/* Controls */
.controls-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.control-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--foreground);
}

.label-inline {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--memphis-purple);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Select Dropdown */
.select {
    width: 100%;
    height: 2.75rem;
    padding: 0 2.5rem 0 0.75rem;
    background: var(--memphis-white);
    border: var(--border-width) solid var(--border);
    border-radius: var(--radius);
    color: var(--foreground);
    font-size: 0.9rem;
    font-family: inherit;
    font-weight: 600;
    outline: none;
    cursor: pointer;
    transition: all 0.2s ease;
    appearance: none;
    box-shadow: 3px 3px 0 var(--memphis-black);
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%232D3436' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
}

.select:hover {
    border-color: var(--memphis-pink);
}

.select:focus {
    border-color: var(--memphis-cyan);
    box-shadow: 3px 3px 0 var(--memphis-cyan);
}

/* Info Card */
.info-card {
    padding: 1rem;
    background: var(--memphis-yellow);
    border: var(--border-width) solid var(--border);
    margin: 1.5rem 0;
    box-shadow: 3px 3px 0 var(--memphis-black);
    position: relative;
}

.info-card::before {
    content: '';
    position: absolute;
    top: -8px;
    right: 10px;
    width: 16px;
    height: 16px;
    background: var(--memphis-pink);
    border: 2px solid var(--memphis-black);
    border-radius: 50%;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.375rem 0;
    font-weight: 600;
}

.text-sm {
    font-size: 0.875rem;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.75rem;
}

.action-buttons .btn:not(.btn-ghost) {
    flex: 1;
}

/* Progress */
.progress-content {
    padding: 1rem;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-weight: 700;
    font-size: 1rem;
}

.progress-bar {
    height: 1.5rem;
    background: var(--memphis-white);
    border: var(--border-width) solid var(--border);
    overflow: hidden;
    box-shadow: inset 2px 2px 0 rgba(0,0,0,0.1);
}

.progress-fill {
    height: 100%;
    background: repeating-linear-gradient(
        45deg,
        var(--memphis-cyan),
        var(--memphis-cyan) 10px,
        var(--memphis-pink) 10px,
        var(--memphis-pink) 20px
    );
    transition: width 0.3s ease;
    background-size: 28px 28px;
    animation: progressStripe 0.5s linear infinite;
}

@keyframes progressStripe {
    0% { background-position: 0 0; }
    100% { background-position: 28px 0; }
}

.progress-info {
    margin-top: 0.75rem;
    text-align: center;
    font-weight: 600;
}

/* Gallery */
.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--memphis-black);
    position: relative;
}

.gallery-header::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background: repeating-linear-gradient(
        90deg,
        var(--memphis-yellow) 0px,
        var(--memphis-yellow) 10px,
        transparent 10px,
        transparent 20px
    );
}

.gallery-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--memphis-black);
}

.gallery-actions {
    display: flex;
    gap: 0.5rem;
}

.frame-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    flex: 1;
    overflow-y: auto;
    align-content: start;
    padding-right: 0.5rem;
    -webkit-overflow-scrolling: touch;
}

/* Frame Item */
.frame-item {
    position: relative;
    overflow: hidden;
    background: var(--memphis-white);
    border: var(--border-width) solid var(--border);
    transition: all 0.2s ease;
    cursor: pointer;
    box-shadow: var(--shadow);
}

.frame-item:hover {
    transform: translate(-2px, -2px) rotate(-1deg);
    box-shadow: 6px 6px 0 var(--memphis-black);
}

.frame-item.selected {
    border-color: var(--memphis-pink);
    box-shadow: 4px 4px 0 var(--memphis-pink);
}

.frame-item img {
    width: 100%;
    height: auto;
    display: block;
}

.frame-checkbox {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--memphis-white);
    border: 2px solid var(--memphis-black);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 2px 2px 0 var(--memphis-black);
}

.frame-checkbox.checked {
    background: var(--memphis-pink);
}

.frame-checkbox.checked::after {
    content: '✓';
    color: var(--memphis-white);
    font-size: 0.875rem;
    font-weight: 700;
}

.frame-time {
    position: absolute;
    bottom: 0.5rem;
    left: 0.5rem;
    padding: 0.25rem 0.5rem;
    background: var(--memphis-yellow);
    color: var(--memphis-black);
    font-size: 0.75rem;
    font-weight: 700;
    border: 2px solid var(--memphis-black);
}

.frame-actions {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    display: flex;
    gap: 0.25rem;
}

.frame-item:not(:hover) .frame-actions {
    opacity: 0;
}

.frame-actions button {
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--memphis-cyan);
    border: 2px solid var(--memphis-black);
    color: var(--memphis-black);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 2px 2px 0 var(--memphis-black);
}

.frame-actions button:hover {
    background: var(--memphis-pink);
    color: var(--memphis-white);
    transform: translate(-1px, -1px);
}

/* Empty State */
.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--muted-foreground);
    padding: 2rem;
}

.empty-icon {
    width: 5rem;
    height: 5rem;
    opacity: 0.5;
    color: var(--memphis-pink);
}

.empty-state p {
    font-weight: 600;
    font-size: 1rem;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(45, 52, 54, 0.95);
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.lightbox.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.lightbox-image-container img {
    max-width: 85vw;
    max-height: 70vh;
    object-fit: contain;
    border: var(--border-width) solid var(--memphis-white);
    box-shadow: 8px 8px 0 var(--memphis-pink);
}

.lightbox-info {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1rem 2rem;
    background: var(--memphis-yellow);
    border: var(--border-width) solid var(--memphis-black);
    box-shadow: var(--shadow);
}

.lightbox-time {
    font-size: 1rem;
    font-weight: 700;
    color: var(--memphis-black);
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--memphis-pink);
    border: var(--border-width) solid var(--memphis-black);
    cursor: pointer;
    z-index: 10;
    transition: all 0.2s ease;
    box-shadow: var(--shadow);
    color: var(--memphis-white);
}

.lightbox-close:hover {
    background: var(--memphis-cyan);
    color: var(--memphis-black);
    transform: translate(-2px, -2px) rotate(90deg);
    box-shadow: 6px 6px 0 var(--memphis-black);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3.5rem;
    height: 3.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--memphis-yellow);
    border: var(--border-width) solid var(--memphis-black);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow);
    color: var(--memphis-black);
}

.lightbox-nav:hover {
    background: var(--memphis-cyan);
    transform: translateY(-50%) translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--memphis-black);
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

.lightbox-nav:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.lightbox-nav:disabled:hover {
    transform: translateY(-50%);
    background: var(--memphis-yellow);
    box-shadow: var(--shadow);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 2rem;
    background: var(--memphis-cyan);
    color: var(--memphis-black);
    border: var(--border-width) solid var(--memphis-black);
    font-size: 1rem;
    font-weight: 700;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-0.5rem);
}

/* Utilities */
.w-3 { width: 0.75rem; }
.h-3 { height: 0.75rem; }
.w-4 { width: 1rem; }
.h-4 { height: 1rem; }
.w-6 { width: 1.5rem; }
.h-6 { height: 1.5rem; }
.h-full { height: 100%; }
.text-lg { font-size: 1.125rem; }
.font-semibold { font-weight: 600; }

/* Scrollbar */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--memphis-cream);
    border-left: 2px solid var(--memphis-black);
}

::-webkit-scrollbar-thumb {
    background: var(--memphis-pink);
    border: 2px solid var(--memphis-black);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--memphis-cyan);
}

/* Ad Panel */
.panel-ad {
    width: 176px;
    min-width: 176px;
    padding: 1rem 0.5rem;
    border-left: var(--border-width) solid var(--border);
    background: var(--memphis-yellow);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

@media (max-width: 768px) {
    .panel-ad {
        display: none;
    }
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .app {
        height: auto;
        min-height: 100vh;
        overflow: visible;
    }

    .main {
        flex-direction: column;
        overflow: visible;
    }

    .panel-left {
        max-width: 100%;
        border-right: none;
        border-bottom: var(--border-width) solid var(--border);
        overflow: visible;
    }

    .panel-right {
        flex: 1;
        min-height: 50vh;
    }

    .panel {
        overflow: visible;
    }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
    .app {
        height: auto;
        min-height: 100vh;
        min-height: 100dvh;
        padding-bottom: env(safe-area-inset-bottom);
    }

    .header-content {
        padding: 0.75rem 1rem;
    }

    .header-title h1 {
        font-size: 1rem;
    }

    .panel {
        padding: 0.75rem;
        gap: 0.5rem;
    }

    .upload-area {
        padding: 2rem 1rem;
        min-height: 120px;
    }

    .upload-icon {
        width: 3rem;
        height: 3rem;
    }

    .upload-text {
        font-size: 0.9rem;
    }

    .url-input-group {
        flex-direction: column;
    }

    .url-input-group .btn {
        width: 100%;
        min-height: 48px;
    }

    .controls-row {
        flex-direction: column;
        gap: 0.5rem;
    }

    .control-item {
        width: 100%;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .control-item .select {
        width: auto;
        min-width: 120px;
        min-height: 44px;
    }

    .info-card {
        padding: 0.75rem;
        margin: 1rem 0;
    }

    .action-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }

    .action-buttons .btn {
        width: 100%;
        min-height: 52px;
        font-size: 0.95rem;
    }

    #videoPlayer {
        max-height: 250px;
    }

    .gallery-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .gallery-actions {
        width: 100%;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .gallery-actions .btn {
        flex: 1;
        min-width: calc(50% - 0.25rem);
        min-height: 44px;
    }

    .frame-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .frame-time {
        font-size: 0.7rem;
        padding: 0.15rem 0.4rem;
    }

    .frame-checkbox {
        width: 1.5rem;
        height: 1.5rem;
    }

    .frame-item .frame-actions {
        opacity: 1;
    }

    .frame-actions button {
        width: 2.5rem;
        height: 2.5rem;
    }

    .progress-content {
        padding: 0.75rem;
    }

    #cancelExtractBtn {
        width: 100%;
        min-height: 48px;
    }

    .card {
        padding: 0.75rem;
    }

    .btn:active {
        transform: translate(2px, 2px);
        box-shadow: 0 0 0 var(--memphis-black);
    }

    .frame-item:active {
        transform: translate(2px, 2px);
    }

    .input {
        min-height: 48px;
        font-size: 16px;
    }

    .select {
        font-size: 16px;
    }
}

/* Responsive - Small Mobile */
@media (max-width: 480px) {
    .header-content {
        padding: 0.5rem 0.75rem;
    }

    .header-title h1 {
        font-size: 0.9rem;
    }

    .panel {
        padding: 0.5rem;
    }

    .upload-area {
        padding: 1.5rem 0.75rem;
    }

    .frame-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }

    .gallery-actions .btn {
        font-size: 0.7rem;
        padding: 0 0.5rem;
        min-height: 40px;
    }

    .btn {
        font-size: 0.85rem;
        min-height: 48px;
    }

    .frame-checkbox {
        width: 1.75rem;
        height: 1.75rem;
        top: 0.375rem;
        left: 0.375rem;
    }

    .frame-actions {
        gap: 0.375rem;
    }

    .frame-actions button {
        width: 2.5rem;
        height: 2.5rem;
    }
}

/* Lightbox Mobile */
@media (max-width: 768px) {
    .lightbox-content {
        max-width: 100vw;
        max-height: 100vh;
        max-height: 100dvh;
        padding: 0.5rem;
    }

    .lightbox-image-container img {
        max-width: 95vw;
        max-height: 55vh;
    }

    .lightbox-info {
        gap: 1rem;
        padding: 0.75rem 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .lightbox-close {
        top: 0.5rem;
        right: 0.5rem;
        width: 3rem;
        height: 3rem;
    }

    .lightbox-nav {
        width: 3rem;
        height: 3rem;
    }

    .lightbox-prev {
        left: 0.5rem;
    }

    .lightbox-next {
        right: 0.5rem;
    }
}

@media (max-width: 480px) {
    .lightbox-image-container {
        gap: 0.5rem;
    }

    .lightbox-image-container img {
        max-height: 45vh;
    }

    .lightbox-info {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }

    .lightbox-nav {
        width: 2.75rem;
        height: 2.75rem;
    }

    .lightbox-close {
        width: 2.75rem;
        height: 2.75rem;
    }

    .lightbox-info .btn {
        min-height: 44px;
    }
}

/* Toast Mobile */
@media (max-width: 768px) {
    .toast {
        bottom: max(1.5rem, env(safe-area-inset-bottom));
        left: 1rem;
        right: 1rem;
        transform: none;
        max-width: none;
        text-align: center;
    }

    .toast.show {
        transform: translateY(-0.25rem);
    }
}

/* Touch Device */
@media (hover: none) and (pointer: coarse) {
    .btn:hover {
        transform: none;
        box-shadow: var(--shadow);
    }

    .card:hover {
        transform: none;
        box-shadow: var(--shadow);
    }

    .frame-item:hover {
        transform: none;
        box-shadow: var(--shadow);
    }

    .frame-item .frame-actions {
        opacity: 1;
    }

    .upload-area:hover {
        transform: none;
        background: repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(255,107,157,0.05) 10px,
            rgba(255,107,157,0.05) 20px
        );
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .header {
        padding: 0.25rem 0;
    }

    .header-content {
        padding: 0.25rem 1rem;
    }

    #videoPlayer {
        max-height: 150px;
    }

    .upload-area {
        padding: 1rem;
    }

    .lightbox-image-container img {
        max-height: 65vh;
    }
}