:root {
    color-scheme: light dark;
    font-family: Helvetica, Roboto, Arial, system-ui, "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
    --bg: #ffffff;
    --fg: #111111;
    --panel: #f6f6f6;
    --border: #d0d0d0;

    --btn-bg: #f2f2f2;
    --btn-fg: #111111;
    --btn-border: #bdbdbd;

    --btn-picked-bg: #e0e0e0;
    --btn-hover-bg: #d0d0d0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0b;
    --fg: #eaeaea;
    --panel: #1a1a1a;
    --border: #3a3a3a;

    --btn-bg: #202020;
    --btn-fg: #f0f0f0;
    --btn-border: #4a4a4a;

    --btn-picked-bg: #5a5a5a;
    --btn-hover-bg: #6a6a6a;
  }
}

html {
    height: 100%;
    background: var(--bg);
}

main {
    max-width: 820px;
    margin: 0 auto;
}

h1 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

p {
    opacity: 0.9;
}

.warning {
    margin: 1.5rem 0;
    padding: 1rem;
    border-left: 4px solid #666;
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.95rem;
}

.start {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.8rem 1.4rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    background: #eaeaea;
    color: #0b0b0b;
    text-decoration: none;
    cursor: pointer;
}

.start:hover {
    background: #ffffff;
}

footer {
    margin-top: 3rem;
    font-size: 0.85rem;
    opacity: 0.6;
}

body {
    background: var(--bg);
    color: var(--fg);
    line-height: 1.5;
    padding: 24px;
    min-height: 100vh;
    margin: 0;
}

ol {
    padding-left: 1.2rem;
}

li {
    margin: 18px 0;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 12px; 
    background: transparent;
}

.answers {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

button {
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--btn-fg);
    cursor: pointer;
}


button:hover {
  background: var(--btn-hover-bg);
}

button:active {
    transform: translateY(1px);
}

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

button.picked, .picked {
  background: var(--btn-picked-bg);
  opacity: 1;
}

details {
    margin-top: 12px;
}

pre {
    background: var(--panel);
    border: 1px solid var(--border);
    padding: 12px;
    border-radius: 12px;
    overflow: auto;
}

a {
    color: inherit;
}

.legend {
    margin-top: 14px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    opacity: 0.9;
}

.legend-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.legend .label {
    margin-left: 6px;
    white-space: nowrap;
}

.legend .swatch {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    border: 1px solid var(--border);
}

.progress {
    opacity: 0.8;
}

.error {
    margin-top: 8px;
    font-weight: 600;
}

li.missing {
    outline: 2px dashed var(--border);
    border-radius: 8px;
}

.lore ul, .lore ol {
  padding-left: 1.25rem;
  margin: 1rem 0;
}

.lore li {
  margin: 0.4rem 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
}

/* Axis colours (match hypercube.js exactly) */
.v-neg { background: #6b4eff; }
.v-pos { background: #ff6bb5; }

.w-neg { background: #2ecc71; }
.w-pos { background: #e67e22; }

.x-neg { background: #3498db; }
.x-pos { background: #e74c3c; }

.y-neg { background: #95a5a6; }
.y-pos { background: #f1c40f; }

.z-neg { background: #9b59b6; }
.z-pos { background: #1abc9c; }

.legend-note {
    margin-top: 6px;
    font-size: 12px;
    opacity: 0.7;
}

#debug {
    margin-top: 20px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 14px;
}

.debug-controls {
    margin-top: 18px;
    opacity: 0.8;
}
.debug-controls button {
    border-style: dashed;
}