:root {
    --bg-color: #000000;
    --sidebar-bg: #0a0a0a;
    --accent-color: #00d4ff;
    --accent-glow: rgba(0, 212, 255, 0.3);
    --text-main: #ffffff;
    --text-muted: #888888;
    --input-bg: #141414;
    --border-color: #222222;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    display: flex;
    height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-main);
    overflow: hidden;
}

#controls {
    width: 320px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    z-index: 10;
    overflow-y: auto;
}

h2 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    margin: 0 0 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 10px;
}

.input-group label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
}

.input-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* --- Slider (Range) --- */
input[type=range] {
    -webkit-appearance: none;
    flex-grow: 1;
    background: transparent;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 3px;
    background: var(--border-color);
    border-radius: 2px;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 14px;
    width: 14px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    margin-top: -5.5px;
    box-shadow: 0 0 12px var(--accent-glow);
    border: 2px solid var(--bg-color);
    transition: transform 0.1s ease;
}

.value-display {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--accent-color);
    min-width: 35px;
    text-align: right;
}

/* --- Haupt Button --- */
#downloadBtn {
    background: var(--accent-color);
    color: #000;
    border: none;
    border-radius: 6px;
    padding: 14px;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
    margin-top: auto;
    transition: all 0.2s ease;
}

#downloadBtn:hover {
    filter: brightness(1.1);
    box-shadow: 0 0 20px var(--accent-glow);
}

#canvas-container {
    flex-grow: 1;
    position: relative;
    background: #000;
}

/* --- Control Hub Overlay --- */
/* --- Control Hub Overlay --- */
.command-center-overlay {
    position: absolute;
    top: 20px;          /* Geändert: Wieder nach oben */
    right: 20px;        /* Geändert: Wieder nach rechts */
    background: rgba(26, 26, 26, 0.9);
    border: 1px solid #333;
    border-left: 4px solid var(--accent-color);
    padding: 15px;
    border-radius: 6px;
    color: #fff;
    font-family: sans-serif;
    font-size: 14px;
    z-index: 100;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    width: 240px;
    pointer-events: auto;
}

.command-header {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-main);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.command-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.command-content .control-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

/* --- Glas-Maße Container im Control Hub --- */
#glass-dimensions-container {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #444; /* Optische Trennung zu den Checkboxen */
}

/* Kompakte Checkboxen für das Overlay */
.command-content .check-container {
    font-size: 0.8rem;
    padding-left: 25px;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.command-content .check-container:hover {
    color: var(--text-main);
}

.spinner {
    width: 60px;
    height: 60px;
    border: 6px solid rgba(0, 212, 255, 0.2);
    border-top-color: #00d4ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}


/* --- Visual Pattern Selector --- */
.pattern-scroll-container {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 8px;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) transparent;
}

.pattern-scroll-container::-webkit-scrollbar {
    height: 4px;
}
.pattern-scroll-container::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 2px;
}

.pattern-item {
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    opacity: 0.5;
    transition: all 0.2s ease;
    min-width: 64px;
}

.pattern-item:hover {
    opacity: 0.8;
}

/* Verstecke den echten Radio-Button */
.pattern-item input[type="radio"] {
    display: none;
}

/* Styling der Bilder / Platzhalter */
.pattern-item img,
.pattern-img-placeholder {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    object-fit: cover;
    transition: all 0.2s ease;
}

/* Wenn ausgewählt (Checked State) */
.pattern-item input[type="radio"]:checked ~ img,
.pattern-item input[type="radio"]:checked ~ .pattern-img-placeholder {
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
    transform: scale(1.05);
}

.pattern-item input[type="radio"]:checked ~ span {
    color: var(--accent-color);
    font-weight: bold;
}

.pattern-item span {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    text-align: center;
}

/* --- Color Picker Styling --- */
.color-picker {
    -webkit-appearance: none;
    border: none;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    cursor: pointer;
    padding: 0;
    background: none;
    transition: transform 0.2s ease;
}

.color-picker:hover {
    transform: scale(1.1);
}

.color-picker::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker::-webkit-color-swatch {
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}