*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-primary: #0c0c18;
    --bg-secondary: #14142a;
    --bg-card: #1c1c38;
    --bg-card-hover: #252548;
    --accent: #6c5ce7;
    --accent-glow: rgba(108, 92, 231, 0.35);
    --accent-light: #a29bfe;
    --success: #00cec9;
    --success-glow: rgba(0, 206, 201, 0.3);
    --warning: #fdcb6e;
    --danger: #ff6b6b;
    --text-primary: #f0f0ff;
    --text-secondary: #8888aa;
    --border: rgba(255, 255, 255, 0.08);
    --radius: 18px;
    --glass-bg: rgba(20, 20, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
    --bg-primary: #f8f9fd;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f3ff;
    --accent: #6c5ce7;
    --accent-glow: rgba(108, 92, 231, 0.15);
    --accent-light: #5d4cd1;
    --success: #00b8b4;
    --success-glow: rgba(0, 184, 180, 0.2);
    --text-primary: #1e1e3f;
    --text-secondary: #606080;
    --border: rgba(0, 0, 0, 0.06);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 20px;
    transition: background 0.3s, color 0.3s;
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(108, 92, 231, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 100%, rgba(0, 206, 201, 0.06) 0%, transparent 60%);
}

/* Ambient Glow */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(108, 92, 231, 0.03), transparent 80%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 960px;
    width: 100%;
    position: relative;
}

/* ─── Theme Toggle ─── */
.theme-toggle {
    position: absolute;
    top: -20px;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    z-index: 100;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    border-color: var(--accent);
}

/* ─── Header ─── */
.header {
    text-align: center;
    margin-bottom: 40px;
}

.header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--accent-light), var(--success), var(--accent-light));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    letter-spacing: -1px;
    animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
    to {
        background-position: 200% center;
    }
}

.header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* ─── Upload Area ─── */
.upload-zone {
    border: 2px dashed rgba(108, 92, 231, 0.4);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 50px 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.upload-zone::before {
    content: '';
    position: absolute;
    top: var(--y, 50%);
    left: var(--x, 50%);
    transform: translate(-50%, -50%);
    width: 280px;
    height: 280px;
    background: var(--accent);
    opacity: 0;
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    animation: liquidGlow 8s ease-in-out infinite alternate;
    filter: blur(60px);
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 0;
}

@keyframes liquidGlow {
    0% {
        border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
        transform: translate(-50%, -50%) rotate(0deg) scale(1);
    }

    33% {
        border-radius: 70% 30% 50% 50% / 30% 30% 70% 70%;
        transform: translate(-50%, -50%) rotate(120deg) scale(1.1);
    }

    66% {
        border-radius: 100% 60% 60% 100% / 100% 100% 60% 60%;
        transform: translate(-50%, -50%) rotate(240deg) scale(0.9);
    }

    100% {
        border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
        transform: translate(-50%, -50%) rotate(360deg) scale(1);
    }
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent);
    background: rgba(108, 92, 231, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.15);
}

.upload-zone:hover::before,
.upload-zone.drag-over::before {
    opacity: 1;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
    position: relative;
    z-index: 1;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.upload-zone h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.upload-zone span {
    color: var(--text-secondary);
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

.upload-zone .browse-btn {
    display: inline-block;
    margin-top: 16px;
    padding: 10px 28px;
    background: var(--accent);
    color: #fff;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.upload-zone:hover .browse-btn {
    background: #7c6cf0;
    box-shadow: 0 4px 20px var(--accent-glow);
}

input[type="file"] {
    display: none;
}

/* ─── Progress Steps ─── */
.progress-section {
    display: none;
    margin-top: 32px;
}

.progress-section.visible {
    display: block;
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
}

.step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    transition: all 0.4s ease;
}

.step.active {
    color: var(--accent-light);
    background: rgba(108, 92, 231, 0.12);
    border-color: rgba(108, 92, 231, 0.3);
}

.step.done {
    color: var(--success);
    background: rgba(0, 206, 201, 0.1);
    border-color: rgba(0, 206, 201, 0.25);
}

.step-connector {
    width: 20px;
    height: 2px;
    background: var(--border);
    border-radius: 2px;
    transition: background 0.4s ease;
}

.step-connector.done {
    background: var(--success);
}

.progress-message {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.progress-message.error {
    color: var(--danger);
    font-weight: 600;
}

/* ─── Spinner ─── */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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

/* ─── Preview ─── */
.preview-section {
    display: none;
    margin-top: 32px;
    text-align: center;
}

.preview-section.visible {
    display: block;
}

.preview-section h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.preview-img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 12px;
    border: 1px solid var(--border);
    object-fit: contain;
}

/* ─── Results ─── */
#results {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    margin-top: 40px;
    width: 100%;
}

.image-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    width: 100%;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow-x: auto;
}

.source-container {
    flex-shrink: 0;
    width: 130px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.source-thumb {
    width: 110px;
    height: 110px;
    object-fit: contain;
    border-radius: 10px;
    background: var(--bg-primary);
    border: 1px solid var(--glass-border);
}

.source-label {
    font-size: 0.65rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.arrow-divider {
    font-size: 1.5rem;
    color: var(--accent);
    flex-shrink: 0;
    opacity: 0.7;
}

.extracted-items {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    flex-grow: 1;
}

.extracted-items>.item-card {
    flex-shrink: 0;
}

.item-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 12px;
    border-radius: 14px;
    text-align: center;
    width: 130px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: cardIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}

.item-card:nth-child(1) {
    animation-delay: 0s;
}

.item-card:nth-child(2) {
    animation-delay: 0.1s;
}

.item-card:nth-child(3) {
    animation-delay: 0.2s;
}

@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.item-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.item-card h3 {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ─── Item Background Toggles ─── */
.bg-toggles {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 0 8px;
    border-left: 1px solid var(--glass-border);
}

.bg-toggles-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-right: 4px;
}

.bg-swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2.5px solid var(--border);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    position: relative;
}

.bg-swatch:hover {
    transform: scale(1.2);
    border-color: var(--accent);
}

.bg-swatch.active {
    border-color: var(--accent);
    transform: scale(1.2);
    box-shadow: 0 0 12px var(--accent-glow);
}

.bg-swatch.active::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--accent);
    text-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
}

.swatch-checkered {
    background: repeating-conic-gradient(#3a3a5a 0% 25%, #2a2a48 0% 50%) 50% / 6px 6px;
}

.swatch-black {
    background: #111;
}

.swatch-white {
    background: #f0f0f0;
    border-color: rgba(0, 0, 0, 0.12);
}

.swatch-green {
    background: #00cc44;
}

[data-theme="light"] .swatch-checkered {
    background: repeating-conic-gradient(#d8d8f0 0% 25%, #ffffff 0% 50%) 50% / 6px 6px;
}

[data-theme="light"] .swatch-white {
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .swatch-black {
    background: #1a1a1a;
}

.item-card canvas {
    display: block;
    cursor: pointer;
    background: transparent !important;
    border: none;
    width: 110px;
    height: 110px;
    object-fit: contain;
    transition: transform 0.2s ease, filter 0.1s ease;
}

.item-card canvas:hover {
    transform: scale(1.02);
}

/* ─── Canvas Copy Overlay & Container ─── */
.canvas-container {
    position: relative;
    display: inline-block;
    border-radius: 10px;
    border: 1px solid var(--border);
    margin-bottom: 8px;
    overflow: hidden;
    /* Keep background/borders clean */
    background: repeating-conic-gradient(#3a3a5a 0% 25%, #2a2a48 0% 50%) 50% / 12px 12px;
}

[data-theme="light"] .canvas-container {
    background: repeating-conic-gradient(#e0e0f0 0% 25%, #ffffff 0% 50%) 50% / 16px 16px;
}

.copy-overlay {
    position: absolute;
    inset: 0;
    background: rgba(108, 92, 231, 0.45);
    backdrop-filter: blur(5px);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.3px;
    z-index: 2;
}

.canvas-container:hover .copy-overlay {
    opacity: 1;
}

/* ─── Toast Notification ─── */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: linear-gradient(135deg, var(--accent), #5b4bd5);
    color: white;
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 2000;
}

.toast.visible {
    transform: translateX(-50%) translateY(0);
}

/* ─── Download Button ─── */
.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--accent);
    color: white;
    border: none;
    padding: 6px 10px;
    cursor: pointer;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.7rem;
    font-family: inherit;
    width: 100%;
    justify-content: center;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background: #7c6cf0;
    box-shadow: 0 4px 20px var(--accent-glow);
    transform: translateY(-1px);
}

/* ─── Download All ─── */
.download-all-section {
    display: none;
    text-align: center;
    margin-top: 32px;
}

.download-all-section.visible {
    display: block;
}

.download-all-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--accent), var(--success));
    color: white;
    border: none;
    padding: 14px 36px;
    cursor: pointer;
    border-radius: 14px;
    font-weight: 700;
    font-size: 1.05rem;
    font-family: inherit;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.25);
}

.download-all-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 92, 231, 0.35);
}

/* ─── Reset Button ─── */
.reset-section {
    display: none;
    text-align: center;
    margin-top: 20px;
}

.reset-section.visible {
    display: block;
}

.reset-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 10px 24px;
    cursor: pointer;
    border-radius: 10px;
    font-weight: 500;
    font-size: 0.9rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.reset-btn:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

/* ─── Settings Bar ─── */
.settings-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
    padding: 16px 28px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    flex-wrap: wrap;
    position: sticky;
    top: 20px;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.settings-bar.stuck {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--accent);
    padding: 10px 24px 10px 16px;
    border-radius: 30px;
    flex-wrap: nowrap;
    gap: 15px;
}

.settings-bar.stuck.expanded {
    flex-wrap: wrap;
    border-radius: var(--radius);
    padding: 16px 28px;
}

.settings-toggle-btn {
    display: none;
    /* Only visible when stuck */
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    margin-right: -4px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.settings-toggle-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.settings-toggle-btn:hover {
    color: var(--accent);
    background: rgba(255, 255, 255, 0.05);
}

.settings-bar.stuck .settings-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
}

.settings-bar.stuck.expanded .settings-toggle-btn svg {
    transform: rotate(180deg);
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 300px;
    opacity: 1;
    overflow: hidden;
}

.settings-bar.stuck:not(.expanded) .setting-group:not(.essential),
.settings-bar.stuck:not(.expanded) .bg-toggles:not(.essential) {
    max-width: 0;
    opacity: 0;
    margin: 0;
    padding: 0;
    border: none;
    pointer-events: none;
}

.settings-bar.stuck .styled-input,
.settings-bar.stuck .styled-select {
    padding: 6px 10px;
}

.settings-bar.stuck label {
    font-size: 0.65rem;
}

.settings-bar label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.quality-toggle {
    display: flex;
    gap: 4px;
    background: var(--bg-primary);
    border-radius: 10px;
    padding: 4px;
}

.quality-toggle button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
}

.quality-toggle button:hover {
    color: var(--text-primary);
}

.quality-toggle button.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 10px var(--accent-glow);
}

/* ─── Image Group Header ─── */
.image-group-header {
    width: 100%;
    text-align: center;
    margin-top: 28px;
    margin-bottom: 8px;
    padding: 10px 0;
    border-top: 1px solid var(--border);
}

.image-group-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-light);
}

/* ─── Preview Thumbnails ─── */
.preview-strip {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 8px;
}

.preview-thumb {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.preview-thumb.processing {
    opacity: 1;
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

.preview-thumb.done {
    opacity: 1;
    border-color: var(--success);
}

.styled-input {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    width: 110px;
    transition: all 0.3s ease;
}

.styled-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.styled-select {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
}

.styled-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.styled-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
}

/* Drop Shadow Controls */
.shadow-group {
    min-width: 140px;
}

.shadow-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 8px;
}

/* Shadow Direction Dropdown */
.shadow-dir-select {
    width: 100%;
    margin-bottom: 6px;
    padding: 6px 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.shadow-dir-select:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Shadow Sub-Controls Panel */
.shadow-sub-controls {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    padding: 8px 0 2px;
}

.shadow-control-row {
    display: grid;
    grid-template-columns: 52px 1fr 40px 14px;
    align-items: center;
    gap: 6px;
}

.shadow-control-row label {
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: right;
    white-space: nowrap;
}

.shadow-val-input {
    width: 40px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--accent-light);
    font-size: 0.68rem;
    font-weight: 700;
    text-align: center;
    padding: 3px 2px;
    border-radius: 5px;
    outline: none;
    font-family: inherit;
    transition: border-color 0.3s ease;
    -moz-appearance: textfield;
    appearance: textfield;
}

.shadow-val-input::-webkit-outer-spin-button,
.shadow-val-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.shadow-val-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 6px var(--accent-glow);
}

.shadow-val-input:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.shadow-unit {
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: left;
}

.shadow-slider {
    margin: 2px 0 !important;
}

.shadow-color-input {
    -webkit-appearance: none;
    appearance: none;
    width: 32px;
    height: 24px;
    border: 2px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    padding: 0;
    background: transparent;
    transition: border-color 0.3s ease;
}

.shadow-color-input::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.shadow-color-input::-webkit-color-swatch {
    border: none;
    border-radius: 3px;
}

.shadow-color-input:hover {
    border-color: var(--accent);
}

.shadow-color-input:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 34px;
    height: 18px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 12px;
    width: 12px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
}

input:checked+.slider {
    background-color: var(--accent);
}

input:checked+.slider:before {
    transform: translateX(16px);
}

.slider.round {
    border-radius: 18px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Range Slider */
.styled-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    margin: 8px 0;
    height: 4px;
    border-radius: 2px;
    background: var(--border);
    outline: none;
    opacity: 0.7;
    transition: opacity .2s;
}

.styled-slider:hover {
    opacity: 1;
}

.styled-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-light);
    cursor: pointer;
    transition: transform 0.2s;
}

.styled-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.styled-slider:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.styled-slider:disabled::-webkit-slider-thumb {
    cursor: not-allowed;
    background: var(--text-secondary);
}

#bgCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
    opacity: 0.5;
}

/* ─── Item Title Input ─── */
.item-title-input {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    text-align: center;
    width: 100%;
    outline: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.item-title-input:hover,
.item-title-input:focus {
    border-color: var(--accent);
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
}

/* ─── Delete Item Button ─── */
.delete-item-btn {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--danger);
    color: white;
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(255, 107, 107, 0.4);
    z-index: 10;
}

.item-card:hover .delete-item-btn {
    opacity: 1;
    transform: scale(1.1);
}

.delete-item-btn:hover {
    background: #ff4757;
    transform: scale(1.2) !important;
}

/* ─── Footer ─── */
.footer {
    margin-top: 60px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.82rem;
    opacity: 0.8;
    position: relative;
    z-index: 10;
}

/* ─── Responsive ─── */
/* ─── Responsive ─── */
@media (max-width: 640px) {
    body {
        padding: 10px;
    }

    .main-container {
        padding: 16px;
    }

    .header {
        margin-bottom: 20px;
    }

    .header h1 {
        font-size: 1.4rem;
        margin-bottom: 4px;
    }

    .header p {
        display: none;
        /* Hide description on mobile to save space */
    }

    .upload-zone {
        padding: 20px;
        min-height: 120px;
        /* Drastically shrink height */
    }

    .upload-zone .icon {
        font-size: 2rem;
        margin-bottom: 8px;
    }

    .upload-zone h2 {
        font-size: 1rem;
        margin-bottom: 4px;
    }

    .upload-zone p {
        font-size: 0.75rem;
    }

    .steps {
        flex-direction: column;
    }

    .settings-bar {
        flex-direction: column;
        gap: 12px;
        padding: 12px;
    }

    .settings-bar.stuck {
        flex-direction: row;
        /* Keep row for sticky */
        overflow-x: auto;
        /* Allow scrolling essential options */
        padding: 8px 16px;
        border-radius: 16px;
    }

    .step-connector {
        width: 2px;
        height: 12px;
    }

    #results {
        flex-direction: column;
        align-items: center;
        margin-top: 20px;
    }

    .image-group {
        flex-direction: column;
        align-items: center;
    }

    .source-container {
        flex-direction: row;
        width: 100%;
        justify-content: center;
    }

    .arrow-divider {
        transform: rotate(90deg);
        margin: 8px 0;
    }

    .extracted-items {
        justify-content: center;
    }

    .item-card {
        width: 100%;
        max-width: 300px;
    }

    .bg-toggles {
        margin-top: 12px;
    }
}