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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #1a1a2e;
    color: #fff;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

#dropzone {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: background-color 0.3s ease;
}

#dropzone.dragover {
    background: rgba(78, 205, 196, 0.1);
}

#message {
    font-size: 2em;
    color: #666;
    pointer-events: none;
    transition: color 0.3s ease;
}

#dropzone.dragover #message {
    color: #4ecdc4;
}

canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: fill;
    display: none;
}

.controls {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(26, 26, 46, 0.95);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 10px;
    padding: 20px;
    min-width: 250px;
    display: none;
}

.controls.visible {
    display: block;
}

.controls h3 {
    color: #4ecdc4;
    margin-bottom: 15px;
    font-size: 1em;
}

.control-group {
    margin-bottom: 20px;
}

.control-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9em;
    color: #aaa;
}

.control-group select {
    width: 100%;
    padding: 8px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    color: #fff;
    font-family: inherit;
    font-size: 0.9em;
}

.control-group select:focus {
    outline: none;
    border-color: #4ecdc4;
}

.control-group button {
    width: 100%;
    padding: 10px;
    background: #4ecdc4;
    border: none;
    border-radius: 5px;
    color: #1a1a2e;
    font-family: inherit;
    font-size: 0.9em;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
}

.control-group button:hover {
    background: #3fb8af;
}

.control-group button:disabled {
    background: #555;
    cursor: not-allowed;
    color: #888;
}

.control-group input[type="range"] {
    width: 100%;
    margin-top: 5px;
}

.control-group .range-value {
    display: inline-block;
    margin-left: 10px;
    color: #4ecdc4;
    font-size: 0.85em;
    min-width: 40px;
}

.control-group .range-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.control-group .auto-checkbox {
    display: flex;
    align-items: center;
    margin-top: 8px;
    font-size: 0.85em;
    color: #aaa;
    gap: 8px;
}

.control-group .auto-checkbox input[type="checkbox"] {
    cursor: pointer;
}

.control-group .auto-checkbox label {
    margin: 0;
    cursor: pointer;
}

.control-group .auto-checkbox input[type="number"] {
    width: 60px;
    padding: 4px 6px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    color: #fff;
    font-family: inherit;
    font-size: 0.85em;
}

.control-group .auto-checkbox input[type="number"]:focus {
    outline: none;
    border-color: #4ecdc4;
}

.control-group .auto-checkbox .duration-label {
    font-size: 0.8em;
    color: #666;
}

.fps-counter {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(26, 26, 46, 0.95);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 5px;
    padding: 10px 15px;
    color: #4ecdc4;
    font-size: 0.9em;
    display: none;
}

.fps-counter.visible {
    display: block;
}

/* Image Selector */
.image-selector {
    text-align: center;
    max-width: 800px;
    padding: 40px;
}

.image-selector h2 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 40px;
    font-weight: normal;
}

.image-options {
    display: flex;
    gap: 30px;
    justify-content: center;
}

.image-option {
    cursor: pointer;
}

.image-option img {
    width: 200px;
    height: 200px;
    object-fit: cover;
    display: block;
}