/* ==========================================================================
   Sourcerer design system
   One sheet, every page. Light surface, mono for data, purple for action.
   The signature element is .ribbon — the git diff stat line, drawn large.
   ========================================================================== */

:root {
    /* Surfaces */
    --canvas: #f0f1f5;
    --surface: #ffffff;
    --surface-sunken: #f6f7fa;
    --surface-hover: #eef0f6;

    /* Ink */
    --ink: #0d1117;
    --ink-2: #4a5361;
    --ink-3: #6b7280;
    --ink-4: #8b93a1;

    /* Lines */
    --line: rgba(13, 17, 23, 0.08);
    --line-strong: rgba(13, 17, 23, 0.14);

    /* Action */
    --accent: #7c3aed;
    --accent-hover: #6d28d9;
    --accent-wash: rgba(124, 58, 237, 0.09);
    --accent-line: rgba(124, 58, 237, 0.24);

    /* Diff semantics: -fill for bars and dots, -ink for text */
    --add: #0e9f6e;
    --add-ink: #067a55;
    --add-wash: rgba(14, 159, 110, 0.1);
    --del: #e5484d;
    --del-ink: #c62a2f;
    --del-wash: rgba(229, 72, 77, 0.1);

    /* Categorical series — fills only, never small text. Leads with the brand
       purple, then stays hue-distinct across the rest of the ramp. */
    --series-1: #7c3aed;
    --series-2: #2f4bff;
    --series-3: #0891b2;
    --series-4: #0e9f6e;
    --series-5: #c2660a;
    --series-6: #e5484d;
    --series-7: #64748b;

    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 18px;
    --r-xl: 24px;
    --r-pill: 999px;

    --shadow-1: 0 1px 2px rgba(13, 17, 23, 0.04), 0 1px 3px rgba(13, 17, 23, 0.06);
    --shadow-2: 0 2px 4px rgba(13, 17, 23, 0.04), 0 8px 24px -6px rgba(13, 17, 23, 0.1);
    --shadow-3: 0 4px 8px rgba(13, 17, 23, 0.05), 0 18px 34px -10px rgba(13, 17, 23, 0.16);

    --rail-w: 236px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------- base --- */

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--canvas);
    color: var(--ink);
    font-size: 15px;
    line-height: 1.55;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

ul,
ol {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

input,
button,
select,
textarea {
    font: inherit;
    color: inherit;
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ------------------------------------------------------------- shells --- */

/* App shell: authenticated dashboard, persistent rail. */
.app-shell {
    display: grid;
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    min-height: 100vh;
}

.rail {
    position: sticky;
    top: 0;
    align-self: start;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding: 22px 16px;
    background: var(--surface);
    border-right: 1px solid var(--line);
}

.rail-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 8px;
}

.mark {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    background: var(--ink);
    color: #fff;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.mark svg {
    width: 17px;
    height: 17px;
}

.wordmark {
    font-size: 1.0625rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.rail-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.rail-label {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-4);
    padding: 0 8px 8px;
}

.rail-link {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 9px 10px;
    border-radius: var(--r-md);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ink-2);
    transition: background-color 0.16s var(--ease), color 0.16s var(--ease);
}

.rail-link svg {
    width: 17px;
    height: 17px;
    flex-shrink: 0;
    opacity: 0.75;
}

.rail-link:hover {
    background: var(--surface-hover);
    color: var(--ink);
}

.rail-link.is-active {
    background: var(--accent-wash);
    color: var(--accent);
}

.rail-link.is-active svg {
    opacity: 1;
}

.rail-foot {
    margin-top: auto;
    padding: 14px 10px 4px;
    border-top: 1px solid var(--line);
    font-size: 0.75rem;
    color: var(--ink-3);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

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

/* The rail's sibling. min-width keeps grid children from overflowing. */
.shell-main {
    min-width: 0;
}

/* Topbar: same header on every page */
.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 16px 32px;
    background: rgba(240, 241, 245, 0.86);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--line);
}

.topbar-heading {
    min-width: 0;
}

.topbar-heading h1 {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.topbar-heading p {
    font-size: 0.8125rem;
    color: var(--ink-3);
}

/* Identity header: an avatar beside the heading, used on profiles. */
.topbar-id {
    display: flex;
    align-items: center;
    gap: 13px;
    min-width: 0;
}

.topbar-tags {
    display: flex;
    align-items: center;
    gap: 7px;
    flex-wrap: wrap;
    margin-top: 7px;
}

.topbar-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.canvas {
    max-width: 1480px;
    padding: 26px 32px 64px;
}

/* Hero: the introductory block above a page's panels. */
.hero {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 30px;
    margin-bottom: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-xl);
    box-shadow: var(--shadow-1);
}

.hero-title {
    font-size: clamp(1.5rem, 3vw, 2.125rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.15;
    max-width: 22ch;
}

/* --------------------------------------------------------------- type --- */

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-4);
}

.lede {
    color: var(--ink-2);
    font-size: 0.9375rem;
    max-width: 62ch;
}

.mono {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------ buttons --- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    height: 38px;
    padding: 0 15px;
    border-radius: var(--r-md);
    border: 1px solid var(--line-strong);
    background: var(--surface);
    color: var(--ink);
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease),
        transform 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.btn svg {
    width: 15px;
    height: 15px;
}

.btn:hover {
    background: var(--surface-hover);
    border-color: var(--line-strong);
}

.btn:active {
    transform: translateY(1px);
}

.btn--primary {
    background: var(--accent);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 1px 2px rgba(124, 58, 237, 0.24);
}

.btn--primary:hover {
    background: var(--accent-hover);
}

.btn--github {
    background: var(--ink);
    border-color: transparent;
    color: #fff;
}

.btn--github:hover {
    background: #1c222b;
}

.btn--sm {
    height: 30px;
    padding: 0 11px;
    font-size: 0.78125rem;
    border-radius: var(--r-sm);
}

/* ----------------------------------------------------------- controls --- */

.select {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.select select {
    appearance: none;
    -webkit-appearance: none;
    height: 38px;
    max-width: 260px;
    padding: 0 34px 0 13px;
    border-radius: var(--r-md);
    border: 1px solid var(--line-strong);
    background: var(--surface);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    text-overflow: ellipsis;
}

.select::after {
    content: '';
    position: absolute;
    right: 14px;
    width: 7px;
    height: 7px;
    border-right: 1.8px solid var(--ink-3);
    border-bottom: 1.8px solid var(--ink-3);
    transform: translateY(-2px) rotate(45deg);
    pointer-events: none;
}

.search {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.search svg {
    position: absolute;
    left: 16px;
    width: 17px;
    height: 17px;
    color: var(--ink-4);
    pointer-events: none;
}

.search-input {
    width: 100%;
    height: 48px;
    padding: 0 18px 0 44px;
    border-radius: var(--r-pill);
    border: 1px solid var(--line-strong);
    background: var(--surface);
    font-size: 0.9375rem;
    box-shadow: var(--shadow-1);
    transition: border-color 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.search-input::placeholder {
    color: var(--ink-4);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-wash);
}

/* -------------------------------------------------------------- chips --- */

.chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 38px;
    padding: 0 13px 0 5px;
    border-radius: var(--r-pill);
    border: 1px solid var(--line);
    background: var(--surface);
    font-size: 0.84375rem;
    font-weight: 600;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border-radius: var(--r-pill);
    background: var(--surface-sunken);
    border: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 0.71875rem;
    font-weight: 500;
    color: var(--ink-3);
    white-space: nowrap;
}

.tag--accent {
    background: var(--accent-wash);
    border-color: var(--accent-line);
    color: var(--accent);
}

.tag--add {
    background: var(--add-wash);
    border-color: rgba(14, 159, 110, 0.24);
    color: var(--add-ink);
    font-weight: 600;
}

.tag--del {
    background: var(--del-wash);
    border-color: rgba(229, 72, 77, 0.24);
    color: var(--del-ink);
    font-weight: 600;
}

/* ------------------------------------------------------------ avatars --- */

.avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--ink);
    color: #fff;
    font-size: 0.78125rem;
    font-weight: 700;
    text-transform: uppercase;
    flex-shrink: 0;
}

.avatar--md {
    width: 44px;
    height: 44px;
    font-size: 1.0625rem;
    border-radius: var(--r-md);
}

.avatar--halo {
    background: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-wash);
}

/* ------------------------------------------------------------- panels --- */

.panel {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-xl);
    padding: 22px;
    box-shadow: var(--shadow-1);
}

.panel--flush {
    padding: 0;
    overflow: hidden;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.panel-title {
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.panel-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex: 1;
    min-height: 0;
}

.panel-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    font-size: 0.78125rem;
    color: var(--ink-3);
}

.link-more {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.8125rem;
}

.link-more:hover {
    color: var(--accent-hover);
}

/* --------------------------------------------------------------- grid --- */

.grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(12, minmax(0, 1fr));
}

.col-12 { grid-column: span 12; }
.col-8 { grid-column: span 8; }
.col-6 { grid-column: span 6; }
.col-4 { grid-column: span 4; }

/* -------------------------------------------------- signature: ribbon --- */
/* A git diff stat line, drawn at page scale: the commit count, then the
   proportion of the codebase this author wrote versus removed. */

.ribbon {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 32px;
}

.ribbon-figure {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ribbon-count {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: clamp(2.75rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.055em;
    line-height: 0.95;
}

.ribbon-unit {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-4);
}

.ribbon-track {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
}

.ribbon-bar {
    display: flex;
    height: 26px;
    border-radius: var(--r-sm);
    overflow: hidden;
    background: var(--surface-sunken);
    gap: 2px;
}

.ribbon-seg {
    height: 100%;
    border-radius: 4px;
    transform-origin: left center;
    animation: ribbon-in 0.55s var(--ease) both;
}

.ribbon-seg.is-add {
    background: var(--add);
}

.ribbon-seg.is-del {
    background: var(--del);
}

@keyframes ribbon-in {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

.ribbon-legend {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 0.8125rem;
}

.ribbon-legend b {
    font-weight: 600;
}

.ribbon-legend .is-add {
    color: var(--add-ink);
}

.ribbon-legend .is-del {
    color: var(--del-ink);
}

.ribbon-legend .is-net {
    color: var(--ink-3);
}

/* Hairline echo of the ribbon, used inside list rows. */
.microbar {
    display: flex;
    height: 3px;
    width: 100%;
    max-width: 180px;
    border-radius: var(--r-pill);
    overflow: hidden;
    background: var(--surface-sunken);
    gap: 1px;
}

.microbar span {
    height: 100%;
}

.microbar .is-add { background: var(--add); }
.microbar .is-del { background: var(--del); }

/* -------------------------------------------------------------- stats --- */

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 14px;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 18px;
    border-radius: var(--r-lg);
    background: var(--surface-sunken);
    border: 1px solid var(--line);
}

.stat-value {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 1.625rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.1;
}

.stat-label {
    font-size: 0.78125rem;
    font-weight: 600;
    color: var(--ink-3);
}

.stat--add {
    background: var(--add-wash);
    border-color: rgba(14, 159, 110, 0.2);
}

.stat--add .stat-value { color: var(--add-ink); }

.stat--del {
    background: var(--del-wash);
    border-color: rgba(229, 72, 77, 0.2);
}

.stat--del .stat-value { color: var(--del-ink); }

.stat--accent {
    background: var(--accent-wash);
    border-color: var(--accent-line);
}

.stat--accent .stat-value { color: var(--accent); }

/* ---------------------------------------------------------- languages --- */

.langbar {
    display: flex;
    height: 10px;
    border-radius: var(--r-pill);
    overflow: hidden;
    background: var(--surface-sunken);
    gap: 2px;
}

.langbar-seg {
    height: 100%;
    border-radius: 3px;
    transition: width 0.4s var(--ease);
}

.lang-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
    max-height: 232px;
}

.lang-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    padding: 8px 10px;
    border-radius: var(--r-md);
    transition: background-color 0.16s var(--ease);
}

.lang-item:hover {
    background: var(--surface-sunken);
}

.lang-name {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 0.875rem;
    font-weight: 600;
    min-width: 0;
}

.lang-name span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lang-dot {
    width: 9px;
    height: 9px;
    border-radius: 3px;
    flex-shrink: 0;
    background: currentColor;
}

.lang-figures {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 0.78125rem;
}

.lang-pct {
    font-weight: 600;
    min-width: 44px;
    text-align: right;
}

.lang-lines {
    color: var(--ink-3);
    min-width: 92px;
    text-align: right;
}

/* --------------------------------------------------------------- rows --- */

.rows {
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow-y: auto;
}

.rows--scroll {
    max-height: 246px;
}

/* Two-up rows for full-width panels, where a single column leaves the middle
   of the card empty. */
.rows--split {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 6px 18px;
}

.row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 14px;
    padding: 11px 12px;
    border-radius: var(--r-md);
    border: 1px solid transparent;
    transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.row:hover {
    background: var(--surface-sunken);
    border-color: var(--line);
}

.row-main {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
}

.row-title {
    font-family: var(--font-mono);
    font-size: 0.84375rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.row-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 0.71875rem;
    color: var(--ink-3);
}

.row-meta .is-add { color: var(--add-ink); }
.row-meta .is-del { color: var(--del-ink); }

.row-side {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* Rows that are whole-card links (contributors, libraries) */
.row-person {
    display: flex;
    align-items: center;
    gap: 11px;
    min-width: 0;
}

.row-names {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.row-name {
    font-size: 0.875rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.row-sub {
    font-family: var(--font-mono);
    font-size: 0.71875rem;
    color: var(--ink-3);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rank {
    width: 26px;
    height: 26px;
    border-radius: var(--r-sm);
    display: grid;
    place-items: center;
    background: var(--surface-sunken);
    border: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ink-3);
    flex-shrink: 0;
}

.rank--1 {
    background: var(--ink);
    border-color: var(--ink);
    color: #fff;
}

.rank--2,
.rank--3 {
    background: var(--surface);
    border-color: var(--line-strong);
    color: var(--ink);
}

/* -------------------------------------------------------------- facts --- */

.facts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 10px;
    overflow-y: auto;
}

.fact {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--r-lg);
    background: var(--surface-sunken);
    border: 1px solid var(--line);
    min-width: 0;
}

.fact-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--r-md);
    display: grid;
    place-items: center;
    background: var(--surface);
    border: 1px solid var(--line);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.fact-body {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.fact-title {
    font-size: 0.84375rem;
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fact-desc {
    font-size: 0.71875rem;
    line-height: 1.4;
    color: var(--ink-3);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---------------------------------------------------------- catalogue --- */

.cat-group {
    margin-bottom: 30px;
}

.cat-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 10px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--line-strong);
}

.cat-title {
    font-size: 1.0625rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.lib-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(288px, 1fr));
    gap: 14px;
}

.lib-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 14px;
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-1);
    transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease),
        border-color 0.18s var(--ease);
}

.lib-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-line);
    box-shadow: var(--shadow-2);
}

.lib-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}

.lib-name {
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lib-desc {
    font-size: 0.8125rem;
    color: var(--ink-2);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tokens {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 10px;
}

.token {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    padding: 2px 7px;
    border-radius: var(--r-sm);
    background: var(--surface-sunken);
    border: 1px solid var(--line);
    color: var(--ink-2);
}

.lib-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 0.71875rem;
    color: var(--ink-4);
}

.lib-foot .link-more {
    font-family: var(--font-sans);
}

/* --------------------------------------------------------------- code --- */

.embed-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.code-field {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.code-field + .code-field {
    margin-top: 16px;
}

.code-block {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--r-md);
    background: var(--surface-sunken);
    border: 1px solid var(--line);
}

.code-block pre,
.code-block input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--ink-2);
    white-space: pre;
    overflow-x: auto;
}

.code-block input:focus {
    outline: none;
}

.badge-preview {
    display: grid;
    place-items: center;
    padding: 22px;
    border-radius: var(--r-lg);
    background: var(--surface-sunken);
    border: 1px dashed var(--line-strong);
    min-height: 120px;
}

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

/* ------------------------------------------------------------- charts --- */
/* The overview is a chart surface; the public profile stays a summary. Keep
   the two vocabularies separate so they never read as the same page. */

.panel-head--stack {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 14px;
}

.chart-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.segmented {
    display: inline-flex;
    gap: 2px;
    padding: 3px;
    background: var(--surface-sunken);
    border: 1px solid var(--line);
    border-radius: var(--r-pill);
}

.seg {
    appearance: none;
    border: 0;
    background: transparent;
    cursor: pointer;
    font: inherit;
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--ink-3);
    padding: 6px 12px;
    border-radius: var(--r-pill);
    transition: background-color 0.16s var(--ease), color 0.16s var(--ease);
}

.seg:hover {
    color: var(--ink);
}

.seg.is-active {
    background: var(--surface);
    color: var(--accent);
    box-shadow: var(--shadow-1);
}

.chart {
    position: relative;
}

.chart-figures {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 34px;
    padding: 4px 0 14px;
}

.figure {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.figure-value {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--ink);
}

.figure-value.is-add { color: var(--add-ink); }
.figure-value.is-del { color: var(--del-ink); }

.figure-of {
    color: var(--ink-4);
    font-weight: 500;
}

.figure-label {
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-4);
}

.chart-svg {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
}

/* Every metric is in the DOM; only the selected one is painted, so switching
   costs no request and no reflow of the panel. */
.metric-layer {
    display: none;
}

.chart[data-metric="commits"] .metric-layer[data-metric="commits"],
.chart[data-metric="added"] .metric-layer[data-metric="added"],
.chart[data-metric="deleted"] .metric-layer[data-metric="deleted"],
.chart[data-metric="net"] .metric-layer[data-metric="net"] {
    display: block;
}

.chart-grid line {
    stroke: var(--line);
    stroke-width: 1;
}

.chart-grid text,
.chart-xaxis text {
    font-family: var(--font-mono);
    font-size: 11px;
    fill: var(--ink-4);
}

.chart-grid text {
    text-anchor: end;
}

.chart-xaxis text {
    text-anchor: middle;
}

.chart-series--commits { --series-color: var(--accent); --series-wash: var(--accent-wash); }
.chart-series--added { --series-color: var(--add); --series-wash: var(--add-wash); }
.chart-series--deleted { --series-color: var(--del); --series-wash: var(--del-wash); }
.chart-series--net { --series-color: var(--series-2); --series-wash: rgba(47, 75, 255, 0.1); }

.chart-area {
    fill: var(--series-wash);
    stroke: none;
}

.chart-line {
    fill: none;
    stroke: var(--series-color);
    stroke-width: 2.2;
    stroke-linejoin: round;
    stroke-linecap: round;
}

.chart-zero {
    stroke: var(--line-strong);
    stroke-width: 1;
    stroke-dasharray: 3 3;
}

.chart-hit {
    fill: transparent;
    cursor: crosshair;
}

.chart-hit:hover {
    fill: var(--accent-wash);
    fill-opacity: 0.5;
}

.chart-hit:focus-visible {
    fill: var(--accent-wash);
    outline: none;
}

.chart-crosshair,
.chart-dot {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.12s var(--ease);
}

.chart-crosshair {
    stroke: var(--line-strong);
    stroke-width: 1;
}

.chart-dot {
    fill: var(--surface);
    stroke: var(--accent);
    stroke-width: 2.5;
}

.chart[data-metric="added"] .chart-dot { stroke: var(--add); }
.chart[data-metric="deleted"] .chart-dot { stroke: var(--del); }
.chart[data-metric="net"] .chart-dot { stroke: var(--series-2); }

.chart.is-active .chart-crosshair,
.chart.is-active .chart-dot {
    opacity: 1;
}

.chart-tip {
    position: absolute;
    top: 6px;
    transform: translateX(-50%);
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 8px 12px;
    background: var(--ink);
    color: #fff;
    border-radius: var(--r-md);
    box-shadow: var(--shadow-2);
    font-size: 0.78rem;
    white-space: nowrap;
    pointer-events: none;
    z-index: 2;
}

/* display:flex would otherwise beat the browser's [hidden] rule. */
.chart-tip[hidden] {
    display: none;
}

.chart-tip-title {
    font-weight: 600;
}

.chart-tip-row {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    color: rgba(255, 255, 255, 0.72);
}

.chart-tip-row.is-add { color: #6ee7b7; }
.chart-tip-row.is-del { color: #fca5a5; }

.chart-note {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--ink-3);
}

/* ---------------------------------------------------------- punchcard --- */

.punch-scale {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    color: var(--ink-4);
}

.punch-grid {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 460px;
}

.punch {
    overflow-x: auto;
}

.punch-row {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    align-items: center;
    gap: 10px;
}

/* The hour strip has no day label, so it is indented by the label column
   width plus its gap to stay aligned with the cells below. */
.punch-hours {
    padding-left: 44px;
}

.punch-hours,
.punch-cells {
    display: grid;
    grid-template-columns: repeat(24, 1fr);
    gap: 3px;
}

.punch-hour {
    font-size: 0.65rem;
    color: var(--ink-4);
    text-align: left;
}

.punch-day {
    font-size: 0.7rem;
    color: var(--ink-3);
    text-align: right;
}

.punch-cell {
    aspect-ratio: 1;
    border-radius: 3px;
    background: var(--surface-sunken);
    border: 1px solid transparent;
    transition: transform 0.12s var(--ease);
}

.punch-cell.is-l1 { background: rgba(124, 58, 237, 0.2); }
.punch-cell.is-l2 { background: rgba(124, 58, 237, 0.42); }
.punch-cell.is-l3 { background: rgba(124, 58, 237, 0.68); }
.punch-cell.is-l4 { background: var(--accent); }

.punch-cell:hover,
.punch-cell:focus-visible {
    border-color: var(--ink);
    outline: none;
    transform: scale(1.25);
}

.punch-scale .punch-cell {
    width: 11px;
    height: 11px;
    aspect-ratio: auto;
}

.punch-readout {
    margin-top: 14px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ink-2);
}

.punch-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    margin-top: 6px;
    font-size: 0.78rem;
    color: var(--ink-3);
}

/* -------------------------------------------------------------- donut --- */

.donut-wrap {
    display: grid;
    gap: 18px;
    justify-items: center;
}

.donut {
    position: relative;
    width: 158px;
}

.donut-svg {
    display: block;
    width: 100%;
    height: auto;
}

.donut-seg {
    fill: none;
    stroke-width: 15;
    transition: opacity 0.16s var(--ease), stroke-width 0.16s var(--ease);
}

.donut-seg.is-dim {
    opacity: 0.22;
}

.donut-center {
    position: absolute;
    inset: 0;
    display: grid;
    place-content: center;
    text-align: center;
    pointer-events: none;
}

.donut-value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--ink);
}

.donut-label {
    font-size: 0.74rem;
    color: var(--ink-3);
}

.donut-legend {
    display: grid;
    gap: 2px;
    width: 100%;
    list-style: none;
}

.donut-item {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 9px;
    padding: 5px 8px;
    border-radius: var(--r-sm);
    cursor: default;
    transition: background-color 0.16s var(--ease);
}

.donut-item:hover,
.donut-item.is-active,
.donut-item:focus-visible {
    background: var(--surface-sunken);
    outline: none;
}

.donut-tech {
    font-size: 0.84rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.donut-pct {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
}

.donut-lines {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--ink-4);
}

/* -------------------------------------------------- repository cards --- */
/* One card per repository on /repositories: the name, a hall of fame link and
   the habit that repository pulls out of its author. */

.repo-cards {
    display: grid;
    /* min() so a phone gets one full-width card instead of a 430px card
       overflowing a 350px panel. */
    grid-template-columns: repeat(auto-fill, minmax(min(430px, 100%), 1fr));
    gap: 14px;
}

.repo-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
    border-radius: var(--r-lg);
    border: 1px solid var(--line);
    background: var(--surface);
    transition: border-color 0.16s var(--ease), box-shadow 0.16s var(--ease);
}

.repo-card:hover {
    border-color: var(--accent-line);
    box-shadow: var(--shadow-1);
}

.repo-card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.repo-card-ident {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

/* The card leads with the repository name; the rehash follows it as a tag,
   sized to its own text rather than stretched across the column. */
.repo-card-ident .tag {
    align-self: flex-start;
}

.repo-name {
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Habits sit inside a card, so they get a tighter grid than the overview's
   full-width panel and never scroll on their own. */
.facts--repo {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 8px;
    overflow: visible;
}

/* A habit label is a phrase, not an identifier: wrapping it keeps "Weekend
   Warrior" readable where the panel-width rule would ellipsis it away. */
.facts--repo .fact-title {
    white-space: normal;
    overflow: visible;
}

/* -------------------------------------------------------------- toast --- */

.toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    transform: translate(-50%, 16px);
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 11px 18px;
    border-radius: var(--r-pill);
    background: var(--ink);
    color: #fff;
    font-size: 0.84375rem;
    font-weight: 600;
    box-shadow: var(--shadow-3);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
    z-index: 50;
}

.toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* ------------------------------------------------------------- states --- */

.empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-align: center;
    padding: 34px 16px;
    margin: auto 0;
    color: var(--ink-3);
}

.empty-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--ink);
}

.empty-hint {
    font-size: 0.8125rem;
    max-width: 42ch;
}

.empty .btn {
    margin-top: 8px;
}

.skeleton {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: auto 0;
    width: 100%;
}

.sk-line {
    height: 16px;
    border-radius: var(--r-sm);
    background: linear-gradient(90deg, var(--surface-sunken) 25%, var(--surface-hover) 50%, var(--surface-sunken) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.6s infinite linear;
}

.sk-line--hero { height: 46px; width: 55%; }
.sk-line--short { width: 42%; }
.sk-line--medium { width: 72%; }

@keyframes shimmer {
    from { background-position: 200% 0; }
    to { background-position: -200% 0; }
}

/* ------------------------------------------------------------- footer --- */

.foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 34px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    font-size: 0.8125rem;
    color: var(--ink-3);
}

.foot-links {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

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

/* --------------------------------------------------------- responsive --- */

@media (max-width: 1180px) {
    .col-8 { grid-column: span 12; }
    .col-6 { grid-column: span 12; }
    .col-4 { grid-column: span 6; }
}

@media (max-width: 980px) {
    .app-shell {
        grid-template-columns: minmax(0, 1fr);
    }

    .rail {
        position: static;
        height: auto;
        flex-direction: row;
        align-items: center;
        gap: 16px;
        overflow-x: auto;
        padding: 12px 16px;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .rail-group {
        flex-direction: row;
        gap: 4px;
    }

    .rail-label,
    .rail-foot {
        display: none;
    }

    .rail-link {
        white-space: nowrap;
    }

    .topbar,
    .canvas {
        padding-left: 20px;
        padding-right: 20px;
    }

    .embed-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .col-4 { grid-column: span 12; }
}

@media (max-width: 640px) {
    .ribbon {
        grid-template-columns: minmax(0, 1fr);
        gap: 18px;
    }

    /* A 1000x280 plot squeezed into a phone is 80px tall and unreadable, so
       keep the proportions and let the reader scroll it instead. */
    .chart {
        overflow-x: auto;
    }

    .chart-svg {
        min-width: 560px;
    }

    .chart-figures,
    .chart-note {
        position: sticky;
        left: 0;
    }

    .chart-figures {
        gap: 10px 20px;
    }

    .figure-value {
        font-size: 1.2rem;
    }

    .panel {
        padding: 18px;
        border-radius: var(--r-lg);
    }

    .topbar {
        padding: 14px 16px;
    }

    .canvas {
        padding: 18px 16px 48px;
    }

    .topbar-tools {
        width: 100%;
    }

    .topbar-tools .btn,
    .topbar-tools .select,
    .topbar-tools .select select {
        flex: 1;
        max-width: none;
    }

    /* Keep the line counts on small screens — just let them shrink. */
    .lang-figures {
        gap: 8px;
        font-size: 0.71875rem;
    }

    .lang-pct {
        min-width: 34px;
    }

    .lang-lines {
        min-width: 0;
    }

    .hero {
        padding: 20px 18px;
    }

    .avatar--md {
        width: 38px;
        height: 38px;
        font-size: 0.9375rem;
    }

    /* Stack each row so names and emails keep their width instead of being
       squeezed to an ellipsis by the figures beside them. */
    .row {
        grid-template-columns: minmax(0, 1fr);
        gap: 9px;
    }

    .row-side {
        flex-wrap: wrap;
    }

    .rows--split {
        grid-template-columns: minmax(0, 1fr);
    }

    /* Stack the card header so long titles and their eyebrow stop fighting
       over one line. */
    .panel-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        margin-bottom: 14px;
    }

    /* A repository name and its hall of fame button do not fit side by side
       on a phone, and the name is the part worth its full width. */
    .repo-card-head {
        flex-direction: column;
        align-items: stretch;
    }

    /* Nested scroll areas are hostile on a touch screen: let the page scroll
       instead and show every row. */
    .lang-list,
    .rows--scroll,
    .facts {
        max-height: none;
        overflow: visible;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}