:root {
    color-scheme: dark;
    font-family:
        "IBM Plex Mono", "SFMono-Regular", Menlo, Monaco, Consolas,
        "Liberation Mono", "Courier New", monospace;
    --ui-bg: #0c1119;
    --ui-panel: #101828;
    --ui-border: #1c2434;
    --ui-muted: #a4afc3;
    --ui-text: #e8ecf4;
    --ui-shadow: 0 16px 30px rgba(0, 0, 0, 0.38);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background:
        radial-gradient(
            circle at 18% 15%,
            rgba(158, 197, 255, 0.12),
            transparent 35%
        ),
        radial-gradient(
            circle at 82% 8%,
            rgba(127, 184, 255, 0.12),
            transparent 36%
        ),
        var(--ui-bg);
    color: var(--ui-text);
    min-height: 100vh;
    padding: 1.8rem 1.4rem 2.6rem;
}

h1 {
    margin: 0 0 1rem;
    text-align: center;
    font-size: 1.6rem;
    letter-spacing: 0.04em;
}

.intro {
    max-width: 820px;
    margin: 0 auto 1.2rem;
    color: var(--ui-muted);
    text-align: center;
    line-height: 1.6;
}

main {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1rem;
}

.palette {
    background: var(--ui-panel);
    border: 1px solid var(--ui-border);
    border-radius: 14px;
    padding: 1rem;
    box-shadow: var(--ui-shadow);
    display: flex;
    flex-direction: column;
}

.palette-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.palette-name {
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
}

.palette-tag {
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--ui-border);
    background: #0c1421;
    color: var(--ui-muted);
    font-size: 0.9rem;
}

.color-bar {
    height: 10px;
    border-radius: 999px;
    border: 1px solid var(--ui-border);
    margin: 0.7rem 0 0.4rem;
    background: linear-gradient(
        to right,
        var(--bg) 0%,
        var(--bg) 12.5%,
        var(--panel) 12.5%,
        var(--panel) 25%,
        var(--border) 25%,
        var(--border) 37.5%,
        var(--accent) 37.5%,
        var(--accent) 50%,
        var(--accent-strong) 50%,
        var(--accent-strong) 62.5%,
        var(--text) 62.5%,
        var(--text) 75%,
        var(--muted) 75%,
        var(--muted) 87.5%,
        var(--danger) 87.5%,
        var(--danger) 100%
    );
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.3);
}

.swatches {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.55rem;
    margin: 0.75rem 0 0.8rem;
}

.swatch {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.55rem 0.6rem;
    border-radius: 10px;
    background: #0d1320;
    border: 1px solid var(--ui-border);
    min-height: 64px;
}

.swatch .chip {
    width: 50px;
    height: 34px;
    border-radius: 8px;
    background: var(--color);
    border: 1px solid rgba(0, 0, 0, 0.35);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
}

.swatch .meta {
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
}

.swatch .token {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ui-muted);
}

.swatch .value {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--ui-text);
}

.sample {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.85rem;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
    margin-top: 0.65rem;
}

.sample .panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.85rem;
}

.sample-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
}

.sample-title {
    margin: 0;
    font-weight: 700;
    color: var(--text);
}

.sample-muted {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.sample-buttons {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin: 0.6rem 0 0.4rem;
}

.sample button {
    padding: 0.45rem 0.75rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: linear-gradient(135deg, var(--panel), var(--bg));
    color: var(--text);
    cursor: pointer;
    transition:
        transform 120ms ease,
        box-shadow 120ms ease,
        border-color 120ms ease;
}

.sample button:hover {
    border-color: var(--accent);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.4);
    transform: translateY(-1px);
}

.sample button:active {
    transform: translateY(0);
}

.sample .accent-btn {
    border-color: var(--accent);
    color: var(--accent-strong);
}

.sample .danger-pill {
    border-color: var(--danger);
    color: var(--danger);
}

.sample-row {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.pill {
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    font-size: 0.9rem;
}

.pill.accent-pill {
    border-color: var(--accent);
    color: var(--accent-strong);
    background: rgba(255, 255, 255, 0.03);
}

.pill.danger-pill {
    border-color: var(--danger);
    color: var(--danger);
    background: rgba(255, 255, 255, 0.03);
}

.sample-fields {
    display: flex;
    gap: 0.45rem;
    flex-wrap: wrap;
    margin: 0.65rem 0;
}

.sample input {
    padding: 0.5rem 0.65rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #0d1320;
    color: var(--text);
    width: 100%;
    max-width: 240px;
}

.sample input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.08);
}

.sample-text {
    margin: 0.25rem 0 0;
    color: var(--text);
    font-size: 0.95rem;
    line-height: 1.5;
}

.sample-text .accent {
    color: var(--accent-strong);
}

.sample-text .danger {
    color: var(--danger);
}

.legend {
    font-size: 0.85rem;
    color: var(--ui-muted);
    margin-top: 0.5rem;
}