body {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background: var(--bg-gradient);
    color: var(--text-color);
    min-height: 100vh;
}

.container {
    max-width: 1500px;
    margin: 0 auto;
    background: var(--window-gradient);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border: 1px solid var(--outline-color);
    backdrop-filter: blur(10px);
}

h1 {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 30px;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-content {
    display: grid;
    grid-template-columns: 700px 1fr;
    gap: 30px;
    align-items: start;
}

.wheel-container {
    position: relative;
    width: 700px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cylinder-section {
    height: 600px;
}

#cylinder3D {
    width: 100%;
    height: 100%;
}

#colorWheel {
    border: 3px solid var(--outline-color);
    border-radius: 50%;
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
    background: var(--primary-color);
    cursor: pointer;
}

.color-strip {
    height: 60px;
    border-radius: 12px;
    border: 2px solid var(--outline-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.7);
    color: var(--text-color);
}

.controls {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.control-group {
    background: var(--window-color);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--outline-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.control-group h3 {
    margin: 0 0 15px 0;
    color: var(--text-color);
    font-size: 1.2em;
}

.position-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.control-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-item label {
    font-size: 0.9em;
    opacity: 0.8;
    color: var(--text-color);
}

input[type="range"] {
    height: 6px;
    background: var(--outline-color);
    border-radius: 3px;
    outline: none;
    border: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

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

.scheme-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    color: var(--on-secondary);
}

.palette-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    color: var(--on-secondary);
}

.custom-angle {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
}

.custom-angle input {
    width: 80px;
    padding: 8px;
    border: 1px solid var(--outline-color);
    border-radius: 4px;
    text-align: center;
    background: var(--tertiary-color);
    color: var(--on-tertiary);
    font-family: inherit;
}

.custom-angle input:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.info-display {
    background: var(--secondary-color);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--outline-color);
    position: relative;
}

.info-display::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--accent-gradient);
    border-radius: 8px 0 0 8px;
}

.color-info {
    margin: 8px 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--on-secondary);
}

.color-swatch {
    width: 30px;
    height: 20px;
    border-radius: 4px;
    border: 1px solid var(--outline-color);
    margin-left: 10px;
}

.export-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.export-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.export-formats {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.export-formats label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9em;
    color: var(--text-color);
    cursor: pointer;
}

.export-formats input[type="radio"] {
    accent-color: var(--primary-color);
}

textarea {
    width: 100%;
    height: 120px;
    padding: 10px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.8em;
    resize: vertical;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}