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

body {
    font-family: system-ui, sans-serif;
    background: #1a1a1a;
    color: #e0e0e0;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

header p {
    color: #888;
}

.input-section {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

#prompt {
    flex: 1;
    padding: 1rem;
    font-size: 1rem;
    border: 1px solid #333;
    border-radius: 4px;
    background: #222;
    color: #e0e0e0;
}

button {
    padding: 1rem 2rem;
    font-size: 1rem;
    border: none;
    border-radius: 4px;
    background: #444;
    color: #e0e0e0;
    cursor: pointer;
}

button:hover {
    background: #555;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#generate {
    background: #2563eb;
}

#generate:hover {
    background: #1d4ed8;
}

.workplane-container {
    position: relative;
    background: #111;
    border: 1px solid #333;
    border-radius: 4px;
    margin-bottom: 1rem;
}

#workplane {
    width: 100%;
    height: 500px;
    display: block;
}

.controls {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
}

.controls button {
    padding: 0.5rem 1rem;
    font-size: 1.2rem;
}

.status-section {
    margin-bottom: 1rem;
    padding: 1rem;
    background: #222;
    border-radius: 4px;
}

#status {
    margin-bottom: 0.5rem;
}

#validation.valid {
    color: #22c55e;
}

#validation.invalid {
    color: #ef4444;
}

.download-section {
    display: flex;
    gap: 1rem;
}

.download-section button {
    flex: 1;
}