/* reSIZOmatic - Precision Image Resizer Theme */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

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

:root {
    /* Color Palette - Measurement Tool Theme */
    --bg-primary: #0a0e1a;
    --bg-secondary: #141824;
    --bg-tertiary: #1e2432;
    --accent-primary: #00d9ff;
    --accent-secondary: #00ff88;
    --accent-hover: #00b8d9;
    --accent-glow: rgba(0, 217, 255, 0.4);
    --text-primary: #e8f0f8;
    --text-secondary: #a8b8d0;
    --text-muted: #6b7a94;
    --border-color: #2a3442;
    --border-focus: #00d9ff;
    --ruler-color: #00d9ff;
    --ruler-mark: #00ff88;
    --success: #00ff88;
    --error: #ff3366;
    --warning: #ffaa00;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 8px -1px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.7);
    --shadow-xl: 0 20px 30px -5px rgba(0, 0, 0, 0.8);
    --shadow-glow: 0 0 30px rgba(0, 217, 255, 0.5);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    background-image: 
        linear-gradient(rgba(0, 217, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 217, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(0, 217, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(0, 255, 136, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Ruler Top Border - Removed for cleaner look */

/* Header */
.header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 3rem 0 2rem;
    position: relative;
    border-bottom: 2px solid var(--border-color);
    background: linear-gradient(to bottom, transparent, rgba(0, 217, 255, 0.05));
}

.header::after {
    content: '📐';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 12rem;
    opacity: 0.08;
    z-index: -1;
    pointer-events: none;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-10px); }
}

.logo h1 {
    font-size: 4rem;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
    position: relative;
    display: inline-block;
    filter: drop-shadow(0 0 20px var(--accent-glow));
}

.logo h1::before,
.logo h1::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 2px;
    background: var(--accent-primary);
    top: 50%;
    transform: translateY(-50%);
}

.logo h1::before {
    left: -50px;
}

.logo h1::after {
    right: -50px;
}

.tagline {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

/* Main Content */
.main-content {
    flex: 1;
}

/* Upload Section */
.upload-section {
    margin-bottom: 2rem;
    position: relative;
}

.upload-area {
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 4rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(0, 217, 255, 0.05) 10px,
            rgba(0, 217, 255, 0.05) 20px
        );
    opacity: 0;
    transition: opacity 0.3s ease;
}

.upload-area:hover::before {
    opacity: 1;
}

.upload-area:hover {
    border-color: var(--accent-primary);
    background: rgba(20, 24, 36, 0.9);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.upload-area.dragover {
    border-color: var(--accent-primary);
    border-style: solid;
    background: rgba(20, 24, 36, 0.95);
    transform: scale(1.01);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.upload-content {
    pointer-events: none;
    position: relative;
    z-index: 1;
}

.upload-icon {
    color: var(--accent-primary);
    margin-bottom: 1rem;
    opacity: 0.8;
    filter: drop-shadow(0 0 15px var(--accent-glow));
    transition: all 0.3s ease;
}

.upload-area:hover .upload-icon {
    transform: translateY(-5px) scale(1.1);
    opacity: 1;
}

.upload-area h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
}

.upload-area p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    letter-spacing: 0.05em;
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-top: 1rem;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.file-name {
    font-weight: 500;
    color: var(--text-primary);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
}

.btn-remove {
    background: var(--error);
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    margin-left: 1rem;
    font-weight: bold;
}

.btn-remove:hover {
    background: #ff1a4d;
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 0 15px var(--error);
}

/* Controls Section */
.controls-section {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 1.25rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.controls-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0.8;
}

.controls-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    padding-left: 1.5rem;
}

.controls-section h3::before {
    content: '│';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.unit-selector {
    margin-bottom: 1rem;
}

.unit-selector label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.unit-selector select {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.unit-selector select:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.unit-selector select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.2);
}

.dimension-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.dimension-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.dimension-group::before {
    content: 'W';
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--accent-primary);
    opacity: 0.5;
    pointer-events: none;
}

.dimension-group:last-child::before {
    content: 'H';
}

.dimension-group label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.input-wrapper {
    display: flex;
    align-items: center;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.2s ease;
    background: var(--bg-tertiary);
    position: relative;
}

.input-wrapper::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-primary);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.input-wrapper:focus-within::before {
    opacity: 1;
}

.input-wrapper:focus-within {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1), var(--shadow-glow);
}

.input-wrapper input {
    flex: 1;
    padding: 0.6rem 0.85rem;
    border: none;
    font-size: 1rem;
    font-family: 'JetBrains Mono', monospace;
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    width: 50px;
}

.input-wrapper input:focus {
    outline: none;
}

.unit-display {
    padding: 0.6rem 0.85rem;
    background: var(--bg-secondary);
    color: var(--accent-primary);
    font-weight: 700;
    font-size: 0.8rem;
    border-left: 2px solid var(--border-color);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Aspect Ratio Toggle */
.aspect-ratio-control {
    margin-bottom: 0.85rem;
    padding: 0.75rem;
    background: rgba(0, 217, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(0, 217, 255, 0.2);
}

/* Crop Mode Control */
.crop-mode-control {
    margin-bottom: 0.85rem;
    padding: 0.75rem;
    background: rgba(0, 255, 136, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    animation: fadeIn 0.3s ease;
}

.crop-individual-control {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(0, 255, 136, 0.15);
}

.crop-position-controls {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(0, 255, 136, 0.2);
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.crop-position-row {
    display: grid;
    grid-template-columns: 90px 1fr auto;
    align-items: center;
    gap: 0.75rem;
}

.crop-position-row label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-width: 70px;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.crop-position-row input[type="range"] {
    flex: 1;
    height: 6px;
    background: rgba(0, 255, 136, 0.1);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.crop-position-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-secondary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
}

.crop-position-row input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--accent-primary);
    transform: scale(1.1);
}

.crop-position-row input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--accent-secondary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
}

.crop-position-row input[type="range"]::-moz-range-thumb:hover {
    background: var(--accent-primary);
    transform: scale(1.1);
}

.crop-position-value {
    font-size: 0.85rem;
    color: var(--accent-secondary);
    font-family: 'JetBrains Mono', monospace;
    min-width: 25px;
    text-align: right;
    font-weight: 600;
}

.toggle-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.toggle-label input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    position: relative;
    width: 54px;
    height: 28px;
    background: var(--border-color);
    border-radius: 14px;
    margin-right: 0.85rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    padding: 3px;
    border: 2px solid var(--border-color);
}

.toggle-label input[type="checkbox"]:checked + .toggle-slider {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px var(--accent-glow);
}

.toggle-icon {
    position: absolute;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.lock-icon {
    opacity: 1;
    transform: translateX(0);
}

.unlock-icon {
    opacity: 0;
    transform: translateX(20px);
}

.toggle-label input[type="checkbox"]:checked + .toggle-slider .lock-icon {
    opacity: 0;
    transform: translateX(-20px);
}

.toggle-label input[type="checkbox"]:checked + .toggle-slider .unlock-icon {
    opacity: 1;
    transform: translateX(0);
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    transition: all 0.3s ease;
    left: 3px;
    box-shadow: var(--shadow-md);
}

.toggle-label input[type="checkbox"]:checked + .toggle-slider::after {
    transform: translateX(26px);
}

.toggle-text {
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Format Control */
.format-control {
    margin-bottom: 0.85rem;
}

.format-control label:not(.checkbox-label) {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.format-control input[type="text"] {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.format-control input[type="text"]:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.format-control input[type="text"]::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.batch-suffix-options {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(0, 217, 255, 0.2);
}

.batch-suffix-options label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.batch-suffix-options select {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.batch-suffix-options select:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.batch-suffix-options select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.2);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 0.65rem;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

.checkbox-label span {
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Output Format Control */
.output-format-control {
    margin-bottom: 0.85rem;
    padding: 0.75rem;
    background: rgba(0, 255, 136, 0.1);
    border-radius: 12px;
    border: 2px solid rgba(0, 255, 136, 0.3);
    animation: fadeIn 0.3s ease;
    position: relative;
}

.output-format-control::before {
    content: '→';
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent-secondary);
    font-size: 1.5rem;
    font-weight: bold;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.output-format-control label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.output-format-control select {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 2px solid rgba(0, 255, 136, 0.5);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 600;
}

.output-format-control select:hover {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.output-format-control select:focus {
    outline: none;
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.2);
}

/* Download Section */
.download-section {
    margin-top: 2rem;
    position: relative;
}

.download-section::before {
    content: '';
    position: absolute;
    top: -1rem;
    left: 0;
    right: 0;
    height: 1px;
    background: repeating-linear-gradient(
        to right,
        transparent,
        transparent 9px,
        var(--ruler-mark) 9px,
        var(--ruler-mark) 10px
    );
    opacity: 0.3;
}

.btn-download {
    width: 100%;
    padding: 1.25rem 2rem;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md), var(--shadow-glow);
    position: relative;
    overflow: hidden;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.btn-download::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-download:hover:not(:disabled)::before {
    width: 300px;
    height: 300px;
}

.btn-download:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-download span {
    position: relative;
    z-index: 1;
}

.btn-download:active:not(:disabled) {
    transform: translateY(-1px);
}

.btn-download:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: var(--shadow-sm);
}

.btn-icon {
    font-size: 1.2rem;
}

/* Batch Section */
.batch-section {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.batch-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.batch-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.batch-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    padding-left: 1.5rem;
}

.batch-header h3::before {
    content: '│';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.batch-actions {
    display: flex;
    gap: 1rem;
}

.btn-batch-download,
.btn-clear-batch {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-batch-download {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-batch-download:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-batch-download:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-clear-batch {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-clear-batch:hover {
    background: var(--bg-tertiary);
    border-color: var(--error);
    color: var(--error);
}

.batch-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.batch-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.batch-item:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}


.batch-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.batch-item:hover::before {
    opacity: 1;
}

.batch-item-order-controls {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex-shrink: 0;
}

.btn-move-up,
.btn-move-down {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    font-size: 1rem;
    padding: 0;
}

.btn-move-up:hover:not(:disabled),
.btn-move-down:hover:not(:disabled) {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    transform: scale(1.1);
    box-shadow: 0 0 10px var(--accent-glow);
}

.btn-move-up:disabled,
.btn-move-down:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.batch-item-previews {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.batch-item-preview,
.batch-item-preview-resized {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.batch-preview-label {
    font-size: 0.7rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.batch-item-preview {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 0.5rem;
    box-sizing: border-box;
}

.batch-item-preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    flex: 1;
}

.batch-item-preview-resized {
    width: 120px;
    min-height: 120px;
    border-radius: 8px;
    overflow: hidden;
    background: 
        repeating-linear-gradient(45deg, var(--bg-tertiary) 0px, var(--bg-tertiary) 10px, var(--bg-secondary) 10px, var(--bg-secondary) 20px);
    border: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 0.5rem;
    box-sizing: border-box;
    align-items: center;
    justify-content: center;
}

.batch-resized-canvas {
    max-width: 100%;
    max-height: 100px;
    border-radius: 4px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    object-fit: contain;
}

.batch-item-info {
    flex: 1;
    min-width: 0;
}

.batch-item-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.batch-item-dimensions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
}

.original-dims {
    color: var(--text-secondary);
}

.arrow {
    color: var(--accent-primary);
    font-weight: bold;
}

.resized-dims {
    color: var(--accent-secondary);
    font-weight: 600;
}

.batch-item-size {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.batch-item-size .original-size {
    color: var(--text-secondary);
    opacity: 0.8;
}

.batch-item-size .arrow {
    color: var(--accent-primary);
    font-weight: bold;
}

.batch-item-size span:last-child {
    color: var(--accent-secondary);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.batch-item-crop-controls {
    margin-top: 0.75rem;
    padding: 0.65rem;
    background: rgba(0, 255, 136, 0.05);
    border-radius: 6px;
    border: 1px solid rgba(0, 255, 136, 0.15);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.batch-crop-position-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.batch-crop-position-row label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    min-width: 25px;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.batch-crop-position-row input[type="range"] {
    flex: 1;
    height: 5px;
    background: rgba(0, 255, 136, 0.1);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.batch-crop-position-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent-secondary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
}

.batch-crop-position-row input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--accent-primary);
    transform: scale(1.1);
}

.batch-crop-position-row input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--accent-secondary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
}

.batch-crop-position-row input[type="range"]::-moz-range-thumb:hover {
    background: var(--accent-primary);
    transform: scale(1.1);
}

.batch-crop-position-value {
    font-size: 0.75rem;
    color: var(--accent-secondary);
    font-family: 'JetBrains Mono', monospace;
    min-width: 40px;
    text-align: right;
    font-weight: 600;
}

.batch-item-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.btn-download-single,
.btn-remove-item {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 1.1rem;
}

.btn-download-single {
    background: var(--accent-primary);
    color: white;
}

.btn-download-single:hover {
    background: var(--accent-hover);
    transform: scale(1.1);
    box-shadow: 0 0 10px var(--accent-glow);
}

.btn-remove-item {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
}

.btn-remove-item:hover {
    background: var(--error);
    color: white;
    border-color: var(--error);
    transform: scale(1.1) rotate(90deg);
}

/* Preview Section */
.preview-section {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.preview-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.preview-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    padding-left: 1.5rem;
}

.preview-section h3::before {
    content: '│';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.preview-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.preview-item {
    display: flex;
    flex-direction: column;
    position: relative;
}

.preview-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 1rem;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.image-wrapper {
    background: 
        repeating-linear-gradient(45deg, var(--bg-tertiary) 0px, var(--bg-tertiary) 10px, var(--bg-secondary) 10px, var(--bg-secondary) 20px);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    margin-bottom: 1rem;
    overflow: hidden;
    position: relative;
    border: 2px solid var(--border-color);
}

.image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 3px solid var(--accent-primary);
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.preview-item:hover .image-wrapper::before {
    opacity: 0.4;
}

.image-wrapper img,
.image-wrapper canvas {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    object-fit: contain;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.dimension-info {
    text-align: center;
    padding: 0.75rem;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-radius: 8px;
    font-weight: 700;
    color: var(--accent-primary);
    font-size: 0.9rem;
    border: 2px solid var(--border-color);
    position: relative;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.dimension-info::before {
    content: '📏';
    margin-right: 0.5rem;
    opacity: 0.8;
}

.file-size-info {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0.05em;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}


/* Error Message */
.error-message {
    background: rgba(255, 51, 102, 0.1);
    border: 2px solid var(--error);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    color: var(--error);
    font-weight: 600;
    margin-bottom: 2rem;
    animation: slideIn 0.3s ease;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer */
#footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: auto;
    border-top: 2px solid var(--border-color);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    position: relative;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    text-transform: none;
}

.footer-content p {
    margin: 0.25rem 0;
}

.footer-subtitle {
    font-size: 0.8rem;
    opacity: 0.8;
    font-style: italic;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.85rem;
}

.footer-links a:hover {
    color: var(--text-primary, #333);
    text-decoration: underline;
}

.footer-separator {
    opacity: 0.5;
}

.footer-copyright {
    margin-top: 1rem;
    font-size: 0.8rem;
    opacity: 0.7;
}

@media (max-width: 768px) {
    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .footer-separator {
        display: none;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .logo h1 {
        font-size: 2.5rem;
    }

    .logo h1::before,
    .logo h1::after {
        display: none;
    }

    .upload-area {
        padding: 3rem 1.5rem;
    }

    .dimension-controls {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .preview-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .image-wrapper,
    .dimension-info {
        margin-left: 0;
    }

    .controls-section,
    .preview-section {
        padding: 1.5rem;
    }

    .batch-item {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 0.85rem;
    }

    .upload-area {
        padding: 2rem 1rem;
    }

    .upload-area h2 {
        font-size: 1.25rem;
    }
}