/* LiquidMark - Water Theme */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
    /* Water Color Palette */
    --water-deep: #0a2540;
    --water-dark: #1a4a6b;
    --water-medium: #2d6a8f;
    --water-light: #4a9bc7;
    --water-bright: #6bb6e0;
    --water-surface: #8fc8e8;
    --water-foam: #b8dff0;
    --water-mist: #d4ecf5;
    --bg-ocean: #0d1f2d;
    --bg-deep: #152d3f;
    --bg-surface: #1e3d52;
    --bg-card: rgba(30, 61, 82, 0.6);
    --bg-card-solid: #1e3d52;
    --text-water: #e8f4f8;
    --text-light: #b8dff0;
    --text-muted: #8fc8e8;
    --border-water: rgba(138, 200, 232, 0.3);
    --border-bright: rgba(107, 182, 224, 0.5);
    --shadow-water: 0 4px 20px rgba(10, 37, 64, 0.4);
    --shadow-deep: 0 8px 30px rgba(10, 37, 64, 0.6);
    --shadow-glow: 0 0 30px rgba(107, 182, 224, 0.3);
    --gradient-water: linear-gradient(135deg, #2d6a8f 0%, #4a9bc7 50%, #6bb6e0 100%);
    --gradient-deep: linear-gradient(180deg, #0a2540 0%, #1a4a6b 50%, #2d6a8f 100%);
    --gradient-surface: linear-gradient(135deg, rgba(45, 106, 143, 0.2) 0%, rgba(107, 182, 224, 0.2) 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-ocean);
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(45, 106, 143, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(107, 182, 224, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(74, 155, 199, 0.1) 0%, transparent 70%);
    color: var(--text-water);
    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: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(107, 182, 224, 0.03) 2px,
            rgba(107, 182, 224, 0.03) 4px
        );
    pointer-events: none;
    z-index: 0;
    animation: waterRipple 15s ease-in-out infinite;
}

body::after {
    content: '';
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    background: 
        linear-gradient(to top, rgba(10, 37, 64, 0.8) 0%, transparent 100%),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 50px,
            rgba(107, 182, 224, 0.1) 50px,
            rgba(107, 182, 224, 0.1) 100px
        );
    pointer-events: none;
    z-index: 0;
    animation: waveMotion 8s ease-in-out infinite;
}

@keyframes waterRipple {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.02); }
}

@keyframes waveMotion {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(20px); }
}

.container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1.5rem 0 1rem;
    position: relative;
}

.header::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(107, 182, 224, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: waterPulse 4s ease-in-out infinite;
}

@keyframes waterPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 3px;
    background: var(--gradient-water);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(107, 182, 224, 0.5);
}

.logo h1 {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-water);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
    filter: drop-shadow(0 4px 20px rgba(107, 182, 224, 0.4));
    text-shadow: 0 0 30px rgba(107, 182, 224, 0.3);
}

.logo h1::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: radial-gradient(circle, rgba(107, 182, 224, 0.2) 0%, transparent 70%);
    border-radius: 20px;
    filter: blur(30px);
    z-index: -1;
    animation: waterGlow 3s ease-in-out infinite;
}

@keyframes waterGlow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
}

.tagline {
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    text-shadow: 0 2px 10px rgba(10, 37, 64, 0.5);
}

/* Upload Section */
.upload-section {
    margin-bottom: 1.5rem;
}

.upload-area {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 2px dashed var(--border-water);
    border-radius: 16px;
    padding: 2rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-water);
}

.upload-area::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(107, 182, 224, 0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1), height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.upload-area:hover {
    border-color: var(--water-bright);
    box-shadow: var(--shadow-deep), var(--shadow-glow);
    transform: translateY(-4px);
}

.upload-area:hover::before {
    width: 400px;
    height: 400px;
}

.upload-area.drag-over {
    border-color: var(--water-surface);
    background: var(--gradient-surface);
    box-shadow: var(--shadow-deep), 0 0 40px rgba(107, 182, 224, 0.4);
    transform: scale(1.02);
}

.upload-content {
    position: relative;
    z-index: 1;
}

.water-drop-icon {
    margin: 0 auto 1rem;
    color: var(--water-bright);
    animation: dropFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 4px 15px rgba(107, 182, 224, 0.4));
    transform: scale(0.7);
}

@keyframes dropFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-15px) scale(1.05); }
}

.upload-area h2 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-water);
}

.upload-area p {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 400;
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-water);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin-top: 1.5rem;
    box-shadow: var(--shadow-water);
}

.file-name {
    color: var(--text-water);
    font-weight: 500;
    font-size: 0.95rem;
}

.btn-remove {
    background: transparent;
    border: none;
    color: #ff6b6b;
    font-size: 1.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    line-height: 1;
}

.btn-remove:hover {
    background: rgba(255, 107, 107, 0.2);
    transform: scale(1.1);
}

/* Watermark Type Section */
.watermark-type-section {
    margin-bottom: 3rem;
}

.watermark-type-section h3 {
    margin-bottom: 1.5rem;
    color: var(--text-water);
    font-size: 1.4rem;
    font-weight: 600;
}

.type-selector {
    display: flex;
    gap: 1.5rem;
}

.type-btn {
    flex: 1;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-water);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    color: var(--text-light);
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-water);
}

.type-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(107, 182, 224, 0.2) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1), height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.type-btn:hover::before {
    width: 300px;
    height: 300px;
}

.type-btn:hover {
    border-color: var(--water-bright);
    color: var(--text-water);
    transform: translateY(-4px);
    box-shadow: var(--shadow-deep), var(--shadow-glow);
}

.type-btn.active {
    border-color: var(--water-bright);
    background: var(--gradient-surface);
    color: var(--water-bright);
    box-shadow: var(--shadow-deep), 0 0 30px rgba(107, 182, 224, 0.3);
}

.type-icon {
    font-size: 2.5rem;
}

/* Workspace - Side by Side Layout */
.workspace {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: start;
}

/* Controls Section */
.controls-section {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-water);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-water);
    position: sticky;
    top: 2rem;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
}

.controls-section.compact {
    padding: 1.25rem;
}

.controls-section h3 {
    margin-bottom: 1.25rem;
    color: var(--text-water);
    font-size: 1.2rem;
    font-weight: 600;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--border-water);
}

.controls-section.compact h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
}

.control-group {
    margin-bottom: 1.25rem;
}

.controls-section.compact .control-group {
    margin-bottom: 1rem;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.85rem;
}

.controls-section.compact .control-group label {
    font-size: 0.8rem;
    margin-bottom: 0.4rem;
}

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

.controls-section.compact .control-row {
    gap: 0.75rem;
}

.control-group input[type="text"],
.control-group input[type="number"],
.control-group select {
    width: 100%;
    background: var(--bg-surface);
    border: 2px solid var(--border-water);
    border-radius: 10px;
    padding: 0.625rem 0.75rem;
    color: var(--text-water);
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s ease;
}

.controls-section.compact .control-group input[type="text"],
.controls-section.compact .control-group input[type="number"],
.controls-section.compact .control-group select {
    padding: 0.5rem 0.625rem;
    font-size: 0.85rem;
    border-radius: 8px;
}

.control-group input[type="text"]:focus,
.control-group input[type="number"]:focus,
.control-group select:focus {
    outline: none;
    border-color: var(--water-bright);
    background: var(--bg-card-solid);
    box-shadow: 0 0 0 3px rgba(107, 182, 224, 0.2), var(--shadow-glow);
}

.color-input-wrapper {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.color-input-wrapper input[type="color"] {
    width: 60px;
    height: 38px;
    border: 2px solid var(--border-water);
    border-radius: 10px;
    cursor: pointer;
    background: none;
}

.controls-section.compact .color-input-wrapper input[type="color"] {
    width: 50px;
    height: 32px;
    border-radius: 8px;
}

.slider-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.slider-wrapper input[type="range"] {
    flex: 1;
    height: 8px;
    background: var(--bg-surface);
    border-radius: 4px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider-wrapper input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--gradient-water);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(107, 182, 224, 0.5), var(--shadow-glow);
    transition: all 0.2s ease;
}

.slider-wrapper input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 15px rgba(107, 182, 224, 0.6), 0 0 20px rgba(107, 182, 224, 0.4);
}

.slider-wrapper input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--gradient-water);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 10px rgba(107, 182, 224, 0.5), var(--shadow-glow);
    transition: all 0.2s ease;
}

.slider-wrapper input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 15px rgba(107, 182, 224, 0.6), 0 0 20px rgba(107, 182, 224, 0.4);
}

.slider-value {
    min-width: 50px;
    text-align: right;
    color: var(--water-bright);
    font-weight: 600;
    font-size: 0.85rem;
}

.controls-section.compact .slider-value {
    min-width: 45px;
    font-size: 0.8rem;
}

.number-input {
    width: fit-content;
    background: var(--bg-surface);
    border: 2px solid var(--border-water);
    border-radius: 8px;
    padding: 0.4rem 0.5rem;
    color: var(--text-water);
    font-size: 0.85rem;
    font-family: 'Inter', sans-serif;
    text-align: center;
    transition: all 0.2s ease;
}

.controls-section.compact .number-input {
    width: 8ch;
    padding: 0.35rem 0.45rem;
    font-size: 0.8rem;
}

.number-input:focus {
    outline: none;
    border-color: var(--water-bright);
    background: var(--bg-card-solid);
    box-shadow: 0 0 0 3px rgba(107, 182, 224, 0.2), var(--shadow-glow);
}

/* Position Grid - Compact */
.position-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.position-grid.compact {
    max-width: 180px;
    gap: 0.4rem;
}

.position-btn {
    aspect-ratio: 1;
    background: var(--bg-surface);
    border: 2px solid var(--border-water);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.position-grid.compact .position-btn {
    font-size: 1rem;
    padding: 0.5rem;
}

.position-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(107, 182, 224, 0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.position-btn:hover::before {
    width: 80px;
    height: 80px;
}

.position-btn:hover {
    border-color: var(--water-bright);
    color: var(--water-bright);
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(107, 182, 224, 0.3);
}

.position-btn.active {
    border-color: var(--water-bright);
    background: var(--gradient-surface);
    color: var(--water-bright);
    box-shadow: 0 2px 10px rgba(107, 182, 224, 0.3), 0 0 20px rgba(107, 182, 224, 0.2);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    color: var(--text-water);
    font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
    width: 22px;
    height: 22px;
    cursor: pointer;
    accent-color: var(--water-bright);
}

.custom-position-controls,
.tiled-controls {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid var(--border-water);
}

.controls-section.compact .custom-position-controls,
.controls-section.compact .tiled-controls {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
}

.unit-label {
    margin-left: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Watermark Image Upload */
.watermark-image-upload {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.btn-upload-watermark {
    background: var(--bg-surface);
    border: 2px dashed var(--border-water);
    border-radius: 12px;
    padding: 0.875rem;
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.controls-section.compact .btn-upload-watermark {
    padding: 0.75rem;
    font-size: 0.85rem;
}

.btn-upload-watermark:hover {
    border-color: var(--water-bright);
    color: var(--water-bright);
    background: var(--gradient-surface);
    box-shadow: 0 0 20px rgba(107, 182, 224, 0.2);
}

.watermark-preview {
    position: relative;
    display: inline-block;
    max-width: 250px;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--border-water);
    box-shadow: var(--shadow-water);
}

.watermark-preview img {
    width: 100%;
    height: auto;
    display: block;
}

.btn-remove-watermark {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: rgba(255, 107, 107, 0.9);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.btn-remove-watermark:hover {
    background: #ff6b6b;
    transform: scale(1.1);
}

/* Batch Section */
.batch-section {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-water);
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-water);
}

.batch-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.batch-header h3 {
    color: var(--text-water);
    font-size: 1.5rem;
    font-weight: 600;
}

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

.batch-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.5rem;
}

.batch-item {
    background: var(--bg-surface);
    border: 2px solid var(--border-water);
    border-radius: 12px;
    padding: 0.75rem;
    text-align: center;
    position: relative;
    transition: all 0.2s ease;
}

.batch-item:hover {
    border-color: var(--water-bright);
    transform: translateY(-4px);
    box-shadow: var(--shadow-deep), 0 0 20px rgba(107, 182, 224, 0.2);
}

.batch-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.batch-item-name {
    font-size: 0.85rem;
    color: var(--text-light);
    word-break: break-word;
    font-weight: 500;
}

/* Preview Section */
.preview-section {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-water);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-water);
    position: sticky;
    top: 2rem;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
}

.preview-container {
    display: flex;
    justify-content: center;
}

.image-wrapper {
    background: var(--bg-surface);
    border: 2px solid var(--border-water);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-water);
}


.image-wrapper img,
.image-wrapper canvas {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(10, 37, 64, 0.5);
}

.dimension-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Download Section */
.download-section {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-water);
}

.btn-download,
.btn-batch-download,
.btn-clear-batch {
    background: var(--gradient-water);
    border: none;
    border-radius: 12px;
    padding: 1.25rem 2.5rem;
    color: var(--bg-ocean);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-deep), var(--shadow-glow);
    position: relative;
    overflow: hidden;
    font-family: 'Inter', sans-serif;
}

.btn-download::before,
.btn-batch-download::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1), height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-download:hover::before,
.btn-batch-download:hover::before {
    width: 400px;
    height: 400px;
}

.btn-download:hover,
.btn-batch-download:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-deep), 0 0 40px rgba(107, 182, 224, 0.5);
}

.btn-download:disabled,
.btn-batch-download:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-clear-batch {
    background: var(--bg-card);
    color: var(--text-water);
    border: 2px solid var(--border-water);
    box-shadow: var(--shadow-water);
}

.btn-clear-batch:hover {
    border-color: #ff6b6b;
    color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
}

.btn-icon {
    font-size: 1.3rem;
}

/* Error Message */
.error-message {
    background: rgba(255, 107, 107, 0.2);
    border: 2px solid #ff6b6b;
    border-radius: 12px;
    padding: 1.5rem;
    color: #ff6b6b;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 500;
}

/* Footer */
#footer {
    margin-top: auto;
    padding-top: 4rem;
    border-top: 2px solid var(--border-water);
}

.footer-content {
    text-align: center;
    color: var(--text-light);
    font-size: 0.95rem;
}

.footer-content p {
    margin-bottom: 1rem;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.2s ease;
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--water-bright);
}

.footer-separator {
    margin: 0 0.75rem;
    color: var(--text-muted);
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Scrollbar Styling */
.controls-section::-webkit-scrollbar,
.preview-section::-webkit-scrollbar {
    width: 8px;
}

.controls-section::-webkit-scrollbar-track,
.preview-section::-webkit-scrollbar-track {
    background: var(--bg-surface);
    border-radius: 4px;
}

.controls-section::-webkit-scrollbar-thumb,
.preview-section::-webkit-scrollbar-thumb {
    background: var(--water-medium);
    border-radius: 4px;
}

.controls-section::-webkit-scrollbar-thumb:hover,
.preview-section::-webkit-scrollbar-thumb:hover {
    background: var(--water-bright);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .workspace {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .controls-section,
    .preview-section {
        position: static;
        max-height: none;
    }
}

@media (max-width: 768px) {
    .logo h1 {
        font-size: 3rem;
    }

    .tagline {
        font-size: 1rem;
    }

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

    .control-row {
        flex-direction: column;
    }

    .batch-header {
        flex-direction: column;
        align-items: stretch;
    }

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

    .type-selector {
        flex-direction: column;
    }

    .position-grid.compact {
        max-width: 100%;
    }
}