/* assets/css/styles.css */

/* ------------------------------------------------------------
   ChinatownMenu.com visual system
   Static HTML / CSS architecture
   ------------------------------------------------------------ */

/* -----------------------------
   Design tokens
   ----------------------------- */

:root {
  color-scheme: light;

  --color-ink: #17120f;
  --color-ink-soft: #352a24;
  --color-muted: #6f6259;
  --color-muted-2: #8b7e73;

  --color-canvas: #fffaf2;
  --color-canvas-deep: #f4eadc;
  --color-surface: #ffffff;
  --color-surface-warm: #fff7ec;
  --color-surface-muted: #f8efe3;

  --color-border: #ded1c3;
  --color-border-strong: #c8b49f;

  --color-accent: #8b1e1e;
  --color-accent-2: #b3482d;
  --color-accent-dark: #561010;
  --color-gold: #b38a45;
  --color-green: #365b44;

  --color-ad-background: #f1ece5;
  --color-ad-border: #d6cabb;

  --shadow-sm: 0 1px 2px rgba(23, 18, 15, 0.07);
  --shadow-md: 0 12px 28px rgba(23, 18, 15, 0.10);
  --shadow-lg: 0 24px 60px rgba(23, 18, 15, 0.14);

  --font-body: Georgia, "Times New Roman", serif;
  --font-ui: Arial, Helvetica, sans-serif;
  --font-mono: Consolas, Monaco, "Courier New", monospace;

  --container: 1180px;
  --content: 780px;
  --sidebar: 320px;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6rem;

  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 34px;

  --line: 1.65;
}

/* -----------------------------
   Base reset
   ----------------------------- */

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

html {
  min-height: 100%;
  font-size: 18px;
  line-height: var(--line);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--color-ink);
  background:
    radial-gradient(circle at top left, rgba(179, 138, 69, 0.16), transparent 34rem),
    linear-gradient(180deg, #fffaf2 0%, #f8efe3 58%, #fffaf2 100%);
  font-family: var(--font-body);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(139, 30, 30, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139, 30, 30, 0.022) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
  transition: color 140ms ease, border-color 140ms ease, background-color 140ms ease;
}

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

p {
  margin-top: 0;
}

p:last-child,
ul:last-child,
ol:last-child,
table:last-child {
  margin-bottom: 0;
}

strong {
  color: var(--color-ink);
}

::selection {
  color: #fff;
  background: var(--color-accent);
}

/* -----------------------------
   Accessibility
   ----------------------------- */

:focus-visible {
  outline: 3px solid rgba(139, 30, 30, 0.42);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
  width: auto;
  height: auto;
  padding: var(--space-2) var(--space-3);
  color: var(--color-ink);
  background: var(--color-surface);
  border: 2px solid var(--color-accent);
  z-index: 1000;
}

/* -----------------------------
   Header and navigation
   ----------------------------- */

.site-header {
  position: relative;
  z-index: 20;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 250, 242, 0.96));
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-5) var(--space-4) var(--space-4);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  color: var(--color-ink);
  text-decoration: none;
}

.brand__name {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: clamp(1.45rem, 2.6vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
}

.brand__name::before {
  content: "";
  width: 0.82em;
  height: 0.82em;
  display: inline-block;
  background:
    linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  border-radius: 3px;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.58);
  transform: rotate(45deg);
}

.brand__tagline {
  margin-top: var(--space-2);
  color: var(--color-muted);
  font-family: var(--font-ui);
  font-size: 0.86rem;
  line-height: 1.25;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: 0.86rem;
}

.site-nav a {
  padding: 0.48rem 0.72rem;
  color: var(--color-ink-soft);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--color-accent-dark);
  background: rgba(139, 30, 30, 0.055);
  border-color: rgba(139, 30, 30, 0.14);
}

/* -----------------------------
   Page layout
   ----------------------------- */

.page {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
}

.page--article {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--sidebar);
  gap: clamp(var(--space-6), 5vw, var(--space-8));
  align-items: start;
}

.article {
  max-width: var(--content);
  min-width: 0;
}

.article > * + * {
  margin-top: var(--space-5);
}

.eyebrow {
  width: fit-content;
  margin: 0 0 var(--space-3);
  padding: 0.34rem 0.58rem;
  color: var(--color-accent-dark);
  background: rgba(139, 30, 30, 0.08);
  border: 1px solid rgba(139, 30, 30, 0.16);
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  line-height: 1;
  text-transform: uppercase;
}

.article h1 {
  margin: 0 0 var(--space-4);
  max-width: 12ch;
  color: var(--color-ink);
  font-size: clamp(2.45rem, 6vw, 5rem);
  line-height: 0.92;
  letter-spacing: -0.065em;
}

.article h2 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  color: var(--color-ink);
  font-size: clamp(1.45rem, 2.8vw, 2.25rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.article h3 {
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  color: var(--color-ink-soft);
  font-size: 1.12rem;
  line-height: 1.25;
}

.article p,
.article li {
  color: var(--color-ink-soft);
}

.article .lede {
  max-width: 62ch;
  margin-top: 0;
  color: #2f2823;
  font-size: clamp(1.12rem, 2vw, 1.32rem);
  line-height: 1.58;
}

.article-meta {
  margin-top: calc(-1 * var(--space-2));
  margin-bottom: var(--space-5);
  color: var(--color-muted);
  font-family: var(--font-ui);
  font-size: 0.84rem;
}

.article-section {
  margin-top: var(--space-7);
}

.article-section > h2:first-child {
  margin-top: 0;
}

.article ul,
.article ol {
  padding-left: 1.2rem;
}

.article li + li {
  margin-top: var(--space-2);
}

/* -----------------------------
   Content components
   ----------------------------- */

.callout,
.menu-example,
.related-card,
.sidebar-section {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 247, 236, 0.96));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.callout,
.menu-example,
.related-card {
  padding: clamp(var(--space-5), 3vw, var(--space-6));
}

.callout {
  border-left: 6px solid var(--color-accent);
}

.callout h2,
.callout h3 {
  margin-top: 0;
}

.menu-example {
  margin: var(--space-7) 0;
  overflow: hidden;
}

.menu-example::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 8px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-gold));
}

.menu-example__label {
  width: fit-content;
  margin: 0 0 var(--space-3);
  padding: 0.32rem 0.52rem;
  color: var(--color-green);
  background: rgba(54, 91, 68, 0.09);
  border: 1px solid rgba(54, 91, 68, 0.16);
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.menu-example h2 {
  margin-top: 0;
}

.menu-example__notice {
  margin-top: var(--space-4);
  color: var(--color-muted);
  font-family: var(--font-ui);
  font-size: 0.82rem;
}

.menu-example__notice::before {
  content: "Note: ";
  font-weight: 700;
}

.menu-excerpt {
  position: relative;
  margin: var(--space-5) 0;
  padding: var(--space-5);
  background:
    linear-gradient(180deg, rgba(255, 250, 242, 0.94), rgba(248, 239, 227, 0.94));
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius);
}

.menu-excerpt::after {
  content: "Example";
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  color: rgba(139, 30, 30, 0.30);
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.menu-excerpt ul {
  margin-top: var(--space-2);
  margin-bottom: 0;
}

.annotation-list {
  padding-left: 1.2rem;
}

.annotation-list li + li {
  margin-top: var(--space-2);
}

.related-card ul {
  columns: 2;
  column-gap: var(--space-6);
  margin: 0;
}

.related-card li {
  break-inside: avoid;
  margin-bottom: var(--space-2);
}

/* -----------------------------
   Tables
   ----------------------------- */

.table-wrap {
  position: relative;
  margin: var(--space-5) 0;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  min-width: 640px;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

th,
td {
  padding: 0.92rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

tr:last-child td {
  border-bottom: 0;
}

th {
  color: var(--color-ink);
  background: #f5eadb;
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.065em;
  line-height: 1.35;
  text-transform: uppercase;
}

td {
  color: var(--color-ink-soft);
}

tbody tr:nth-child(even) td {
  background: #fffaf4;
}

tbody tr:hover td {
  background: #fff2e1;
}

/* -----------------------------
   Sidebar
   ----------------------------- */

.sidebar {
  position: sticky;
  top: var(--space-4);
  min-width: 0;
}

.sidebar > * + * {
  margin-top: var(--space-5);
}

.sidebar-section {
  padding: var(--space-5);
}

.sidebar-section h2 {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.sidebar-section p,
.sidebar-section li {
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.sidebar-section ul {
  margin: 0;
  padding-left: 1rem;
}

.sidebar-section li + li {
  margin-top: var(--space-2);
}

/* -----------------------------
   Advertising system
   ----------------------------- */

.ad-slot {
  margin: var(--space-5) auto;
  width: 100%;
  color: var(--color-muted-2);
  font-family: var(--font-ui);
  text-align: center;
}

.ad-slot__label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  color: var(--color-muted-2);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;
  text-transform: uppercase;
}

.ad-slot__label::before,
.ad-slot__label::after {
  content: "";
  width: 2.4rem;
  height: 1px;
  background: var(--color-border);
}

.ad-slot__frame {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.52), rgba(241, 236, 229, 0.88)),
    repeating-linear-gradient(
      45deg,
      rgba(139, 30, 30, 0.035),
      rgba(139, 30, 30, 0.035) 8px,
      transparent 8px,
      transparent 16px
    );
  border: 1px solid var(--color-ad-border);
  border-radius: var(--radius);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.52);
}

.ad-slot--leaderboard {
  max-width: 970px;
  padding: 0 var(--space-4);
}

.ad-slot--leaderboard .ad-slot__frame {
  min-height: 90px;
}

.ad-slot--in-article .ad-slot__frame {
  min-height: 250px;
}

.ad-slot--sidebar .ad-slot__frame {
  min-height: 250px;
}

.ad-slot--native .ad-slot__frame {
  min-height: 132px;
}

/* Give the ad system stable behavior when actual ads inject iframes. */
.ad-slot iframe,
.ad-slot ins {
  max-width: 100%;
}

/* -----------------------------
   Footer
   ----------------------------- */

.site-footer {
  position: relative;
  margin-top: var(--space-8);
  color: #f8f3ea;
  background:
    radial-gradient(circle at top left, rgba(179, 138, 69, 0.22), transparent 32rem),
    linear-gradient(180deg, #241b18 0%, #15100e 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 34px 34px;
}

.site-footer a {
  color: #fff4df;
}

.site-footer .ad-slot {
  position: relative;
  z-index: 1;
  padding-top: var(--space-5);
  color: #cfc4b8;
}

.site-footer .ad-slot__frame {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04)),
    repeating-linear-gradient(
      45deg,
      rgba(255, 255, 255, 0.045),
      rgba(255, 255, 255, 0.045) 8px,
      transparent 8px,
      transparent 16px
    );
  border-color: rgba(255, 255, 255, 0.14);
}

.site-footer__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-8) var(--space-4) var(--space-7);
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: var(--space-7);
}

.site-footer__section h2 {
  margin: 0 0 var(--space-3);
  color: #fff8ef;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.site-footer__section p,
.site-footer__section li {
  color: #d9cfc3;
}

.site-footer__section ul {
  margin: 0;
  padding-left: 1rem;
}

.site-footer__section li + li {
  margin-top: var(--space-2);
}

.site-footer__bottom {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-4);
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #cfc4b8;
  font-family: var(--font-ui);
  font-size: 0.82rem;
}

/* -----------------------------
   Forms and future expansion
   ----------------------------- */

button,
.button,
input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  padding: 0.65rem 1rem;
  color: #fff;
  background: var(--color-accent);
  border: 1px solid var(--color-accent-dark);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
}

button:hover,
.button:hover,
input[type="submit"]:hover {
  color: #fff;
  background: var(--color-accent-dark);
}

input,
textarea,
select {
  width: 100%;
  padding: 0.75rem 0.85rem;
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font: inherit;
}

label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-ink);
  font-family: var(--font-ui);
  font-size: 0.86rem;
  font-weight: 700;
}

/* -----------------------------
   Utility and code
   ----------------------------- */

code {
  padding: 0.08rem 0.25rem;
  color: var(--color-accent-dark);
  background: #f3eadf;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 0.88em;
}

hr {
  margin: var(--space-7) 0;
  border: 0;
  border-top: 1px solid var(--color-border);
}

.include-error {
  padding: var(--space-4);
  color: #5b1111;
  background: #fff1f1;
  border: 1px solid #cc7777;
  border-radius: var(--radius);
}

/* -----------------------------
   Responsive behavior
   ----------------------------- */

@media (max-width: 980px) {
  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-4);
  }

  .site-nav {
    justify-content: flex-start;
  }

  .page--article {
    grid-template-columns: 1fr;
  }

  .article {
    max-width: 100%;
  }

  .article h1 {
    max-width: 14ch;
  }

  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }

  .sidebar > * {
    margin-top: 0;
  }

  .sidebar .ad-slot--sidebar {
    grid-column: span 1;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  html {
    font-size: 17px;
  }

  .page {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

  .article h1 {
    max-width: 100%;
  }

  .related-card ul {
    columns: 1;
  }

  .sidebar {
    display: block;
  }

  .sidebar > * + * {
    margin-top: var(--space-5);
  }

  .site-footer__bottom {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  html {
    font-size: 16px;
  }

  .site-header__inner {
    padding-top: var(--space-4);
  }

  .brand__name {
    font-size: 1.55rem;
  }

  .brand__tagline {
    font-size: 0.82rem;
  }

  .site-nav {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .site-nav a {
    text-align: center;
    border-color: rgba(139, 30, 30, 0.10);
    background: rgba(255, 255, 255, 0.56);
  }

  .article h1 {
    letter-spacing: -0.045em;
  }

  .callout,
  .menu-example,
  .related-card,
  .sidebar-section {
    border-radius: var(--radius);
  }

  .ad-slot--leaderboard {
    padding: 0;
  }
}

/* -----------------------------
   Reduced motion
   ----------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* -----------------------------
   Print
   ----------------------------- */

@media print {
  :root {
    --color-ink: #000;
    --color-ink-soft: #111;
    --color-muted: #444;
    --color-canvas: #fff;
    --color-surface: #fff;
  }

  body {
    background: #fff !important;
    font-size: 11pt;
  }

  body::before,
  .site-nav,
  .ad-slot,
  .sidebar,
  .site-footer,
  .skip-link {
    display: none !important;
  }

  .site-header {
    border-bottom: 1px solid #999;
    box-shadow: none;
  }

  .site-header__inner,
  .page {
    max-width: none;
    padding: 0;
  }

  .brand__name::before {
    display: none;
  }

  .page--article {
    display: block;
  }

  .article {
    max-width: none;
  }

  .article h1 {
    max-width: none;
    font-size: 28pt;
    line-height: 1.05;
  }

  .article h2 {
    page-break-after: avoid;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .callout,
  .menu-example,
  .related-card,
  table {
    box-shadow: none;
    break-inside: avoid;
  }

  .table-wrap {
    overflow: visible;
    box-shadow: none;
  }

  table {
    min-width: 0;
  }
}
/* Regional taxonomy expansion */
[id] {
  scroll-margin-top: 2rem;
}
/* Glossary expansion */
.sidebar-section ul {
  max-height: none;
}

@media (min-width: 981px) {
  .sidebar[aria-label="Glossary navigation"] .sidebar-section:first-child {
    max-height: calc(100vh - 2rem);
    overflow: auto;
  }
}

.article-meta {
  max-width: 62ch;
}