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

:root {
    --primary-color: #E91E63;
    --secondary-color: #757575;
    --success-color: #4CAF50;
    --danger-color: #f44336;
    --warning-color: #FF9800;
    --background: #0a0a0a;
    --card-background: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #333333;
    --shadow: 0 4px 8px rgba(233, 30, 99, 0.2);
    --shadow-hover: 0 8px 16px rgba(233, 30, 99, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, var(--primary-color), #9C27B0);
    color: white;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border: 2px solid rgba(233, 30, 99, 0.3);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

.card {
    background: var(--card-background);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-hover);
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* Connection Status */
.connection-status {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--background);
    border-radius: 8px;
}

.status-indicator {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.status-indicator.disconnected {
    background: var(--secondary-color);
}

.status-indicator.connected {
    background: var(--success-color);
}

.status-indicator.connecting {
    background: var(--warning-color);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 10px;
    margin-bottom: 10px;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

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

.btn-primary:hover:not(:disabled) {
    background: #1976D2;
}

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

.btn-secondary:hover:not(:disabled) {
    background: #616161;
}

.btn-large {
    width: 100%;
    padding: 16px;
    font-size: 1.2rem;
}

/* Upload Area */
.upload-area {
    border: 3px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(33, 150, 243, 0.05);
}

.upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    color: var(--text-secondary);
}

.upload-label svg {
    color: var(--primary-color);
}

.upload-label span:first-of-type {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.file-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Preview */
.preview-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    background: #000000;
    border-radius: 8px;
    padding: 20px;
    min-height: 400px;
    border: 2px solid var(--border-color);
}

#previewCanvas {
    max-width: 100%;
    max-height: 500px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.image-info {
    margin-bottom: 20px;
    padding: 15px;
    background: var(--background);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Controls */
.controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.control-group {
    display: grid;
    grid-template-columns: 120px 1fr 60px;
    align-items: center;
    gap: 15px;
}

.control-group label {
    font-weight: 600;
    color: var(--text-primary);
}

input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.control-group span:last-child {
    text-align: right;
    font-weight: 600;
    color: var(--primary-color);
}

/* Playback Controls */
.playback-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #d32f2f;
}

input[type="color"] {
    width: 60px;
    height: 40px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    background: var(--card-background);
}

/* Progress */
.progress-container {
    margin-top: 20px;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: var(--background);
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    width: 0%;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 10px;
    color: white;
    font-weight: 600;
}

#progressText {
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
}

/* Log */
.log-container {
    background: var(--background);
    border-radius: 8px;
    padding: 15px;
    max-height: 200px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.log-entry {
    padding: 5px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-entry.success {
    color: var(--success-color);
}

.log-entry.error {
    color: var(--danger-color);
}

.log-entry.warning {
    color: var(--warning-color);
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    header h1 {
        font-size: 2rem;
    }

    .card {
        padding: 20px;
    }

    .control-group {
        grid-template-columns: 1fr;
    }

    .control-group span:last-child {
        text-align: left;
    }
}