:root {
    color-scheme: light dark;
    --bg: #ffffff;
    --text: #4a5568;
    --heading: #2d3748;
    --accent: #000000;
    --accent-hover: #000000;
    --accent-text: #ffffff;
    --border: #cccccc;
    --hover-bg: #eeeeee;
    --muted: #aaaaaa;
    --strong: #000000;
    color: var(--text);
    background: var(--bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
}

:root[data-theme="black"] {
    color-scheme: dark;
    --bg: #000;
    --text: #cccccc;
    --heading: #ffffff;
    --accent: #ffffff;
    --accent-hover: #ffffff;
    --accent-text: #000000;
    --border: #777777;
    --hover-bg: #111111;
    --muted: #777777;
    --strong: #ffffff;
}

:root[data-theme="light"] {
    color-scheme: light;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
}

button,
a {
    font: inherit;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: var(--accent-hover);
}

.page {
    width: min(100% - 32px, 1500px);
    margin: 0 auto;
    padding: 16px 0 40px;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 12px;
}

h1 {
    margin: 0;
    color: var(--heading);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
}

h1 a {
    color: inherit;
}

.instrument-tabs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.instrument-tab {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 4px;
    color: var(--accent);
    font-weight: 700;
}

.instrument-tab.is-active {
    background: var(--accent);
    color: var(--accent-text);
}

.instrument-tab.is-disabled {
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: not-allowed;
}

.github-link {
    margin-left: 8px;
    padding: 6px 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--strong);
    font-size: 1.5rem;
    font-weight: 800;
}

.github-link:hover {
    border-color: var(--accent);
    color: var(--strong);
}

.key-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 24px;
}

.key-label {
    margin-right: 2px;
    color: var(--text);
    font-weight: 700;
}

.key-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
}

.key-link {
    min-width: 40px;
    padding: 4px 8px;
    border-radius: 4px;
    text-align: center;
    font-weight: 700;
}

.key-link.is-active {
    background: var(--accent);
    color: var(--accent-text);
}

.status {
    margin: 20px 0;
}

.status:empty {
    display: none;
}

.chord-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    align-items: start;
    gap: 1rem;
    margin-top: 4px;
}

.chord-card {
    display: grid;
    justify-items: center;
    align-content: start;
    min-width: 0;
    /* padding: 3px 2px 8px; */
    color: var(--text);
    text-align: center;
}

.chord-card:hover {
    background: var(--hover-bg);
    color: var(--accent-hover);
}

.chord-name {
    min-height: 24px;
    font-size: 1rem;
    white-space: nowrap;
}

.chord-card img {
    display: block;
    width: 173px; 
    height: 233px;
    object-fit: contain;
}

.detail-view {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 24px;
    margin-top: 8px;
}

.suffixes h2 {
    margin: 0 0 8px;
    font-size: 1.25rem;
    font-weight: 400;
}

.suffix-list {
    display: grid;
    gap: 2px;
}

.suffix-link {
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--text);
}

.suffix-link.is-active {
    color: var(--accent);
    font-weight: 700;
}

.fingering-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    align-items: start;
    gap: 24px 12px;
}
.fingering {
    min-width: 0;
    text-align: center;
}

.fingering h2 {
    /* margin: 4px 0 12px; */
    font-size: 1rem;
    font-weight: 400;
}

.fingering img {
    display: block;
    width: min(100%, 200px);
    width: 100%;
    height: auto;
    margin: 0 auto;
}

.download {
    margin-top: 12px;
    font-size: 0.9rem;
}

@media (max-width: 640px) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .github-link {
        font-size: 1.1rem;
    }

    .detail-view {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .suffix-list {
        grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
    }

    .fingering-grid {
        grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
    }
}

.button {
    display: inline-block;
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    background: transparent;
    background-color: var(--accent);
    color: var(--accent-text);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

#download-all {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--accent);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}