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

body {
    background: #1a1a1a;
    color: #eee;
    font-family: sans-serif;
    min-height: 100vh;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

h1 {
    font-size: 1.6rem;
    letter-spacing: 0.05em;
}

.header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    width: 100%;
    padding: 16px 0 20px;
}

.header button {
    width: 120px;
}

.row {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    justify-content: center;
}

.col-thonk {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

input[type="text"] {
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid #444;
    background: #2a2a2a;
    color: #eee;
    font-size: 1rem;
    width: 180px;
}

button {
    padding: 8px 20px;
    border-radius: 6px;
    border: none;
    background: #ffcb4c;
    color: #1a1a1a;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background: #f1901e;
    color: #fff;
}

.lock-btn:hover {
    background: none;
    color: #eee;
}

canvas {
    width: 512px;
    height: 512px;
    border-radius: 8px;
}

.seed-display {
    font-size: 0.85rem;
    color: #888;
}

.sliders {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 400px;
}

.sliders-label {
    font-size: 0.75rem;
    font-weight: bold;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #666;
    margin-bottom: 2px;
    text-align: center;
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 24px;
}

.slider-row label {
    width: 110px;
    flex-shrink: 0;
    font-size: 0.9rem;
    color: #aaa;
}

.slider-row input[type="range"] {
    flex: 1;
    accent-color: #ffcb4c;
}

.slider-row .value {
    width: 36px;
    font-size: 0.85rem;
    color: #eee;
    text-align: right;
    white-space: nowrap;
}

.lock-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0;
    width: 18px;
    flex-shrink: 0;
    opacity: 0.3;
    line-height: 1;
    color: #eee;
    transition: opacity 0.1s;
}

.lock-btn:hover, .lock-btn.locked {
    opacity: 1;
}