/* ==========================================================================
   Xomik — design tokens
   Editorial, paper-first. Colour is reserved for chapter state only.
   ========================================================================== */

@layer reset, base, layout, components, utilities;

:root {
  --paper: #f6f4ef;
  --paper-raised: #fffefb;
  --paper-sunken: #efecE4;
  --ink: #15140f;
  --ink-2: #4c4a42;
  --ink-3: #6e6b5c;
  --ink-4: #a09b8a;
  --rule: #dcd8cc;
  --rule-strong: #c4bfb0;

  --free: #2b6247;
  --free-bg: #e4efe6;
  --locked: #8f5c15;
  --locked-bg: #f6ecda;
  --soon: #6a6757;
  --soon-bg: #eae7dd;
  --broken: #8c3a2e;
  --broken-bg: #f5e3df;

  --accent: #6f2a1c;

  --font-display: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --font-ui: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --measure: 34rem;
  --gutter: clamp(1.15rem, 4vw, 3.5rem);
  --max: 76rem;

  --radius: 3px;
  --dur: 160ms;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121210;
    --paper-raised: #1a1a17;
    --paper-sunken: #0c0c0b;
    --ink: #f2efe6;
    --ink-2: #b8b4a7;
    --ink-3: #8b8879;
    --ink-4: #6a675c;
    --rule: #2c2b26;
    --rule-strong: #3d3b34;

    --free: #7fc39a;
    --free-bg: #17281f;
    --locked: #d9a75c;
    --locked-bg: #2b2114;
    --soon: #9a978a;
    --soon-bg: #24231d;
    --broken: #d98b7c;
    --broken-bg: #2d1c19;

    --accent: #d08b73;
  }
}

/* ==========================================================================
   reset
   ========================================================================== */

@layer reset {
  *,
  *::before,
  *::after { box-sizing: border-box; }

  * { margin: 0; }

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

  body {
    font-family: var(--font-ui);
    font-size: 15px;
    line-height: 1.55;
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

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

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

  button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

  ul, ol { list-style: none; padding: 0; }

  :focus-visible {
    outline: 2px solid var(--ink);
    outline-offset: 3px;
    border-radius: 1px;
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  }
}

/* ==========================================================================
   base
   ========================================================================== */

@layer base {
  h1, h2, h3 { font-weight: 400; line-height: 1.05; letter-spacing: -0.015em; }

  .display {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.6rem);
    line-height: 0.98;
    letter-spacing: -0.02em;
  }

  .kicker {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-3);
  }

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

  .lede {
    font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
    line-height: 1.5;
    color: var(--ink-2);
    max-width: var(--measure);
  }

  .prose { max-width: var(--measure); color: var(--ink-2); }
  .prose p + p { margin-top: 0.85em; }

  .rule { height: 1px; background: var(--rule); border: 0; }
}

/* ==========================================================================
   layout
   ========================================================================== */

@layer layout {
  .shell {
    width: 100%;
    max-width: var(--max);
    margin-inline: auto;
    padding-inline: var(--gutter);
  }

  .site-head {
    border-bottom: 1px solid var(--rule);
    position: sticky;
    top: 0;
    z-index: 40;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: saturate(1.4) blur(14px);
  }

  .site-head__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    height: 4.25rem;
  }

  .brand { display: flex; align-items: baseline; gap: 0.6rem; }

  .brand__mark {
    font-family: var(--font-display);
    font-size: 1.6rem;
    letter-spacing: -0.01em;
    line-height: 1;
  }

  .brand__mark em { font-style: italic; }

  .brand__tag {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-3);
    padding-left: 0.6rem;
    border-left: 1px solid var(--rule-strong);
  }

  .nav { display: flex; align-items: center; gap: 1.65rem; }

  .nav a {
    font-size: 0.8125rem;
    color: var(--ink-2);
    letter-spacing: 0.005em;
    transition: color var(--dur);
  }

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

  .nav a[aria-current="page"] { color: var(--ink); }

  .nav a[aria-current="page"]::after {
    content: "";
    display: block;
    height: 1px;
    background: var(--ink);
    margin-top: 2px;
  }

  .site-foot {
    margin-top: 6rem;
    border-top: 1px solid var(--rule);
    padding-block: 2.5rem 3rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 3rem;
    justify-content: space-between;
    align-items: flex-start;
    font-size: 0.8125rem;
    color: var(--ink-3);
  }

  .site-foot p { max-width: 30rem; }
}

/* ==========================================================================
   components
   ========================================================================== */

@layer components {
  /* ---- buttons ---- */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.05rem;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    border: 1px solid var(--rule-strong);
    border-radius: var(--radius);
    background: var(--paper-raised);
    transition: background var(--dur), border-color var(--dur), color var(--dur);
    white-space: nowrap;
  }

  .btn:hover { border-color: var(--ink-3); }

  .btn--solid {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--paper);
  }

  .btn--solid:hover { background: var(--ink-2); border-color: var(--ink-2); }

  .btn--ghost { background: transparent; border-color: transparent; padding-inline: 0.35rem; }

  .btn--ghost:hover { border-color: transparent; color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

  .btn[aria-pressed="true"] {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
  }

  .btn__arrow { font-size: 0.9em; opacity: 0.55; }

  /* ---- state marks ---- */
  .state {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.02em;
    white-space: nowrap;
  }

  .state__dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    flex: none;
    background: currentColor;
  }

  .state--available { color: var(--free); }
  .state--premium { color: var(--locked); }
  .state--scheduled { color: var(--soon); }
  .state--broken { color: var(--broken); }

  .state--scheduled .state__dot { background: transparent; box-shadow: inset 0 0 0 1.5px currentColor; }

  .chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 1px solid var(--rule);
    border-radius: 2px;
    color: var(--ink-3);
  }

  .chip--free { color: var(--free); border-color: color-mix(in srgb, var(--free) 30%, transparent); background: var(--free-bg); }
  .chip--locked { color: var(--locked); border-color: color-mix(in srgb, var(--locked) 30%, transparent); background: var(--locked-bg); }

  /* ---- home hero ---- */
  .hero {
    padding-block: clamp(3rem, 8vw, 6rem) clamp(2rem, 4vw, 3rem);
    display: grid;
    gap: 1.5rem;
  }

  .hero__eyebrow { display: flex; align-items: center; gap: 0.75rem; }

  .hero__eyebrow::before {
    content: "";
    width: 2.25rem;
    height: 1px;
    background: var(--rule-strong);
  }

  .hero h1 { max-width: 22ch; }

  .hero h1 em { font-style: italic; color: var(--ink-2); }

  .hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--rule);
    margin-top: 0.5rem;
  }

  .hero__stat { display: flex; flex-direction: column; gap: 0.15rem; }

  .hero__stat b {
    font-family: var(--font-mono);
    font-size: 1.0625rem;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
  }

  .hero__stat span {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-3);
  }

  /* ---- section head ---- */
  .section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.5rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--rule);
    margin-bottom: 1.75rem;
  }

  .section-head h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    letter-spacing: -0.01em;
  }

  /* ---- title grid ---- */
  .grid-titles {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(11.5rem, 1fr));
    gap: 2rem 1.5rem;
  }

  .card { display: flex; flex-direction: column; gap: 0.75rem; }

  .card__cover {
    position: relative;
    aspect-ratio: 2 / 3;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--paper-sunken);
    border: 1px solid var(--rule);
  }

  .card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms cubic-bezier(0.2, 0.6, 0.2, 1);
  }

  .card:hover .card__cover img { transform: scale(1.028); }

  .card__badge {
    position: absolute;
    inset: auto 0 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.5rem;
    background: linear-gradient(to top, rgb(0 0 0 / 0.72), rgb(0 0 0 / 0));
    color: #fff;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.04em;
  }

  .card__title {
    font-size: 0.9375rem;
    line-height: 1.3;
    letter-spacing: -0.005em;
    text-wrap: balance;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.6em;
  }

  .card__meta {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--ink-3);
    display: flex;
    gap: 0.5rem;
    align-items: center;
  }

  .card__meta i { font-style: normal; color: var(--ink-4); }

  /* ---- title detail ---- */
  .title-page { padding-block: 2.5rem 0; }

  .breadcrumb {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--ink-3);
    margin-bottom: 2rem;
  }

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

  .title-hero {
    display: grid;
    grid-template-columns: 13.5rem minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 3.5rem);
    align-items: start;
  }

  .title-hero__cover {
    aspect-ratio: 2 / 3;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--rule);
    background: var(--paper-sunken);
    position: sticky;
    top: 6rem;
  }

  .title-hero__cover img { width: 100%; height: 100%; object-fit: cover; }

  .title-hero__body { display: grid; gap: 1.1rem; min-width: 0; }

  .title-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4.4vw, 3.35rem);
    line-height: 1.02;
    max-width: 26ch;
  }

  .alt-titles {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.7;
    color: var(--ink-3);
    max-width: 60ch;
  }

  .alt-titles span + span::before { content: " · "; color: var(--ink-4); }

  .title-facts {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--ink-2);
    letter-spacing: 0.02em;
  }

  .title-facts i { font-style: normal; color: var(--ink-4); }

  .title-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; padding-top: 0.35rem; }

  .availability-line {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--ink-2);
    padding: 0.65rem 0.85rem;
    background: var(--paper-sunken);
    border-left: 2px solid var(--rule-strong);
    border-radius: 0 var(--radius) var(--radius) 0;
    max-width: 46rem;
  }

  .availability-line b { font-weight: 500; color: var(--ink); }

  /* ---- matrix ---- */
  .matrix-block { margin-top: clamp(2.5rem, 5vw, 4rem); }

  .matrix-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid var(--rule-strong);
  }

  .matrix-head h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    letter-spacing: -0.01em;
  }

  .matrix-head__sub {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--ink-3);
    padding-bottom: 0.2rem;
  }

  .matrix-scroll {
    overflow: auto;
    max-height: min(72vh, 46rem);
    overscroll-behavior: contain;
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    background: var(--paper-raised);
  }

  .matrix {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.8125rem;
    min-width: 34rem;
  }

  .matrix thead th {
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--paper-raised);
    text-align: left;
    font-weight: 500;
    padding: 0.7rem 0.85rem 0.7rem 0;
    border-bottom: 1px solid var(--rule-strong);
    vertical-align: bottom;
    white-space: nowrap;
    box-shadow: 0 1px 0 var(--rule);
  }

  .matrix thead th:first-child,
  .matrix tbody td:first-child { padding-left: 1rem; }

  .matrix thead th:last-child,
  .matrix tbody td:last-child { padding-right: 1rem; }

  .matrix th.matrix__src { min-width: 8.5rem; }

  .matrix__srcname {
    display: block;
    font-size: 0.8125rem;
    letter-spacing: -0.005em;
    color: var(--ink);
  }

  .matrix__srccount {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--ink-3);
    letter-spacing: 0.03em;
    margin-top: 0.15rem;
  }

  .matrix tbody td {
    padding: 0.55rem 0.85rem 0.55rem 0;
    border-bottom: 1px solid var(--rule);
    vertical-align: middle;
    white-space: nowrap;
  }

  .matrix tbody tr:hover td { background: color-mix(in srgb, var(--ink) 3%, transparent); }

  .matrix__num {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-size: 0.8125rem;
    color: var(--ink-2);
    width: 4.5rem;
    padding-left: 0.15rem;
  }

  .matrix__num b { font-weight: 500; color: var(--ink); }

  .matrix__num em {
    font-style: normal;
    font-size: 0.625rem;
    color: var(--ink-3);
    margin-left: 0.35rem;
    letter-spacing: 0.04em;
  }

  .matrix__cell a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--free);
    transition: opacity var(--dur);
  }

  .matrix__cell a:hover { opacity: 0.7; }

  .matrix__cell a::after {
    content: "↗";
    font-size: 0.75em;
    opacity: 0.5;
  }

  .matrix__dash { color: var(--ink-4); font-family: var(--font-mono); }

  .matrix__more { display: flex; justify-content: center; padding-top: 1.25rem; }

  /* mobile: matrix becomes per-chapter cards */
  .matrix-cards { display: none; }

  @media (max-width: 46rem) {
    .matrix-scroll { display: none; }
    .matrix-cards { display: grid; gap: 0; }

    .mc {
      display: grid;
      gap: 0.55rem;
      padding: 0.9rem 0;
      border-bottom: 1px solid var(--rule);
    }

    .mc__head {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 1rem;
    }

    .mc__num {
      font-family: var(--font-mono);
      font-variant-numeric: tabular-nums;
      font-size: 0.875rem;
      font-weight: 500;
    }

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

    .mc__chip {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.28rem 0.55rem;
      border: 1px solid var(--rule);
      border-radius: 2px;
      font-family: var(--font-mono);
      font-size: 0.6875rem;
      background: var(--paper-raised);
    }

    .mc__chip--available { border-color: color-mix(in srgb, var(--free) 35%, transparent); color: var(--free); background: var(--free-bg); }
    .mc__chip--premium { border-color: color-mix(in srgb, var(--locked) 30%, transparent); color: var(--locked); background: var(--locked-bg); }
    .mc__chip--scheduled { color: var(--soon); background: var(--soon-bg); }
  }

  /* ---- chapter page ---- */
  .chapter-page { padding-block: 2.5rem 0; max-width: 46rem; }

  .chapter-page h1 {
    font-family: var(--font-display);
    font-size: clamp(1.85rem, 4vw, 2.75rem);
    margin-bottom: 0.35rem;
  }

  .chapter-page__sub {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--ink-3);
    margin-bottom: 2rem;
  }

  .source-list { border-top: 1px solid var(--rule); }

  .source-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: 1.05rem 0;
    border-bottom: 1px solid var(--rule);
  }

  .source-row__name { display: flex; align-items: baseline; gap: 0.7rem; flex-wrap: wrap; }

  .source-row__name b { font-weight: 500; font-size: 0.9375rem; }

  .source-row__note {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--ink-3);
  }

  .pager {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 2rem;
  }

  .pager a { font-size: 0.8125rem; color: var(--ink-2); }
  .pager a:hover { color: var(--ink); }
  .pager a[aria-disabled="true"] { color: var(--ink-4); pointer-events: none; }

  /* ---- notices ---- */
  .notice {
    display: flex;
    gap: 0.7rem;
    padding: 0.8rem 0.95rem;
    border: 1px solid var(--rule);
    border-left: 2px solid var(--rule-strong);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 0.8125rem;
    color: var(--ink-2);
    background: var(--paper-raised);
    max-width: 46rem;
  }

  .notice--warn { border-left-color: var(--locked); background: var(--locked-bg); color: var(--locked); }
  .notice--error { border-left-color: var(--broken); background: var(--broken-bg); color: var(--broken); }

  .notice b { font-weight: 500; }

  /* ---- meta panel ---- */
  .meta-panel {
    margin-top: clamp(2.5rem, 5vw, 4rem);
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 3.5rem);
    padding-top: 2rem;
    border-top: 1px solid var(--rule);
  }

  .meta-panel h3 {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 0.7rem;
    font-weight: 500;
  }

  .facts { display: grid; gap: 0.45rem; font-size: 0.8125rem; }
  .facts div { display: flex; gap: 0.6rem; }
  .facts dt { color: var(--ink-3); min-width: 5.5rem; font-family: var(--font-mono); font-size: 0.6875rem; padding-top: 0.15rem; }
  .facts dd { margin: 0; color: var(--ink-2); }

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

  /* ---- empty / bookmark ---- */
  .empty {
    padding: 4rem 0;
    display: grid;
    gap: 0.75rem;
    max-width: 32rem;
  }

  .empty h2 { font-family: var(--font-display); font-size: 1.9rem; }

  .bookmark-page { padding-block: 2.5rem 0; }

  .tabs { display: flex; gap: 1.5rem; border-bottom: 1px solid var(--rule); margin-bottom: 1.75rem; }

  .tabs button {
    padding: 0.6rem 0 0.7rem;
    font-size: 0.8125rem;
    color: var(--ink-3);
    border-bottom: 1px solid transparent;
    margin-bottom: -1px;
  }

  .tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ink); }

  .bm-list { display: grid; gap: 0; }

  .bm-row {
    display: grid;
    grid-template-columns: 3.25rem minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--rule);
  }

  .bm-row__cover {
    aspect-ratio: 2 / 3;
    border-radius: 2px;
    overflow: hidden;
    border: 1px solid var(--rule);
    background: var(--paper-sunken);
  }

  .bm-row__cover img { width: 100%; height: 100%; object-fit: cover; }

  .bm-row__body { display: grid; gap: 0.25rem; min-width: 0; }

  .bm-row__title { font-size: 0.9375rem; letter-spacing: -0.005em; }

  .bm-row__meta {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--ink-3);
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
  }

  .bm-row__actions { display: flex; gap: 0.5rem; align-items: center; }

  .badge-new {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.15rem 0.4rem;
    border-radius: 2px;
    background: var(--free-bg);
    color: var(--free);
    border: 1px solid color-mix(in srgb, var(--free) 30%, transparent);
  }

  /* ---- sumber page ---- */
  .sumber-page { padding-block: 2.5rem 0; max-width: 52rem; }

  .field { display: grid; gap: 0.4rem; margin-bottom: 1rem; }

  .field label {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-3);
  }

  .input {
    width: 100%;
    padding: 0.65rem 0.8rem;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--ink);
    background: var(--paper-raised);
    border: 1px solid var(--rule-strong);
    border-radius: var(--radius);
  }

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

  .src-list { border-top: 1px solid var(--rule); margin-top: 2rem; }

  .src-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    padding: 0.95rem 0;
    border-bottom: 1px solid var(--rule);
  }

  .src-item__name { font-size: 0.9375rem; display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }

  .src-item__url {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--ink-3);
    overflow-wrap: anywhere;
  }

  .skeleton-row {
    height: 3.2rem;
    border-bottom: 1px solid var(--rule);
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--ink) 4%, transparent), transparent);
    background-size: 220% 100%;
    animation: shimmer 1.4s ease-in-out infinite;
  }

  @keyframes shimmer {
    0% { background-position: 120% 0; }
    100% { background-position: -120% 0; }
  }
}

/* ==========================================================================
   utilities
   ========================================================================== */

@layer utilities {
  .sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .stack-sm > * + * { margin-top: 0.5rem; }
  .stack > * + * { margin-top: 1rem; }
  .stack-lg > * + * { margin-top: 2rem; }

  .mt-auto { margin-top: auto; }
  .muted { color: var(--ink-3); }
  .nowrap { white-space: nowrap; }
  .hidden { display: none !important; }
}

@media (max-width: 52rem) {
  .title-hero { grid-template-columns: 8.5rem minmax(0, 1fr); }
  .meta-panel { grid-template-columns: 1fr; }
  .nav { gap: 1.15rem; }
  .brand__tag { display: none; }
}

@media (max-width: 34rem) {
  .title-hero { grid-template-columns: 1fr; }
  .title-hero__cover { position: static; max-width: 9.5rem; }
  .hero__meta { gap: 0.5rem 1.25rem; }
  .grid-titles { grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr)); gap: 1.5rem 1rem; }
  .bm-row { grid-template-columns: 2.75rem minmax(0, 1fr); }
  .bm-row__actions { grid-column: 2; }
}