/* ===========================================================
   Züritüütsch — A guide to Zürich German for English speakers
   Design language: Swiss / Zürich-inspired. Cream paper, deep
   ink, Swiss-red accent, generous whitespace, clean grid.
   =========================================================== */

:root {
  --paper: #ffffff;
  --paper-2: #f6f5f2;
  --surface: #ffffff;
  --ink: #0e0e10;
  --ink-2: #2a2a2e;
  --muted: #6b6960;
  --line: #e2dccb;
  --line-strong: #c8c0ab;

  --swiss-red: #da291c;
  --swiss-red-deep: #b71f14;
  --zurich-blue: #0f4d92;
  --gold: #b98b2c;

  --sg: var(--swiss-red); /* Swiss German accent */
  --de: #444; /* German accent */
  --en: var(--zurich-blue); /* English accent */

  --font-sans:
    -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  --font-serif:
    "Iowan Old Style", "Palatino Nova", Palatino, "Palatino Linotype", Georgia,
    serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --content-max: 760px;

  --radius: 4px;
  --radius-lg: 8px;
  --shadow:
    0 1px 0 rgba(14, 14, 16, 0.04), 0 8px 24px -12px rgba(14, 14, 16, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  font-optical-sizing: auto;
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--zurich-blue);
  text-decoration: underline;
  text-decoration-color: rgba(15, 77, 146, 0.35);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition:
    text-decoration-color 0.15s ease,
    color 0.15s ease;
}
a:hover {
  color: #0a3a70;
  text-decoration-color: #0a3a70;
}

code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--paper-2);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--line);
}
em {
  font-style: italic;
}
strong {
  font-weight: 600;
}
hr {
  border: 0;
}

.brand-flag {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}
.footer-brand .brand-flag {
  width: 20px;
  height: 20px;
}

/* ---------------- Page header ---------------- */
.page-header {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 48px 24px 8px;
}
.page-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
}
.page-title .brand-flag {
  width: 34px;
  height: 34px;
  margin-right: 8px;
}
.byline {
  margin: 12px 0 0;
  font-size: 18px;
  color: var(--muted);
}

/* ---------------- Disclaimer ---------------- */
.disclaimer {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 24px 24px 0;
}
.disclaimer-inner {
  background: #fff8e5;
  border: 1px solid #ebdfb7;
  border-radius: 8px;
  padding: 20px 24px;
  display: flex;
  gap: 20px;
  align-items: center;
}
.disclaimer-tag {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: var(--ink);
  color: var(--paper);
  padding: 6px 10px;
  border-radius: 3px;
}
.disclaimer p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2);
}
.disclaimer a {
  color: var(--zurich-blue);
}

/* ---------------- Layout ---------------- */
.layout {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* ---------------- Content / Sections ---------------- */
.content {
  min-width: 0;
}

.section {
  margin: 0 0 56px;
  scroll-margin-top: 24px;
}
.section-end {
  margin-top: 64px;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-strong);
}
.section-number {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.section-title {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.section-divider {
  height: 1px;
  background: var(--line);
  margin: 32px 0;
  max-width: var(--content-max);
}

.subsection {
  margin-top: 48px;
  scroll-margin-top: 80px;
}
.subsection h3 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
}
.subsection h4 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0;
  margin: 24px 0 12px;
  color: var(--ink-2);
}

/* Prose */
.prose,
.prose p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink-2);
  margin: 0 0 16px;
}
.prose ul,
.prose ol {
  padding-left: 22px;
  margin: 0 0 16px;
}
.prose li {
  margin-bottom: 6px;
}
.prose strong {
  color: var(--ink);
}
.prose em {
  color: var(--ink);
}
.lede {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 24px;
}
.lede strong {
  font-weight: 600;
}

.footnote {
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
}

/* ---------------- Tables ---------------- */
.table-wrap {
  overflow-x: auto;
  margin: 20px 0 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}
.data-table th,
.data-table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.data-table thead th {
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: var(--paper-2);
  border-bottom: 1px solid var(--line-strong);
}
.data-table tbody tr:last-child td {
  border-bottom: 0;
}
.data-table .row-label {
  font-weight: 600;
  color: var(--ink);
  background: var(--paper-2);
  white-space: nowrap;
}
.data-table code {
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--ink-2);
  font-size: 14.5px;
}

/* Conjugation tables get a slightly tighter, more elegant feel */
.conj-table th:first-child {
  background: var(--paper-2);
}
.conj-table .participle-row td {
  border-top: 2px solid var(--ink);
  font-style: italic;
  color: var(--ink-2);
  vertical-align: middle;
}
.conj-table .participle-row .row-label {
  font-style: normal;
  color: var(--swiss-red);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  vertical-align: middle;
}

/* Two-column word list */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 20px 0 24px;
}
.two-col .col {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
}
.two-col .col h4 {
  margin: 0 0 12px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-weight: 700;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.two-col .col h4 code {
  background: transparent;
  border: 0;
  padding: 0;
  color: var(--ink-2);
}

.word-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.word-list li {
  padding: 5px 0;
  font-size: 14px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.word-list .hg {
  color: var(--ink-2);
}
.word-list .sg {
  color: var(--ink);
  font-weight: 600;
}
.word-list .arrow {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ---------------- Phrase cards ---------------- */
.phrase-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 0;
  margin: 16px 0;
  overflow: hidden;
}
.phrase-row {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
}
.phrase-row:last-child {
  border-bottom: 0;
}
.phrase-tag {
  flex-shrink: 0;
  display: inline-block;
  width: 30px;
  height: 20px;
  border-radius: 2px;
  box-shadow:
    0 0 0 1px rgba(14, 14, 16, 0.18),
    0 1px 2px rgba(14, 14, 16, 0.06);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center;
}
.phrase-tag.flag-ch {
  width: 20px;
  margin: 0 5px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'><rect width='32' height='32' fill='%23DA291C'/><rect x='13' y='6' width='6' height='20' fill='white'/><rect x='6' y='13' width='20' height='6' fill='white'/></svg>");
}
.phrase-tag.flag-de {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 20' preserveAspectRatio='none'><rect width='30' height='20' fill='black'/><rect y='6' width='30' height='8' fill='%23DD0000'/><rect y='13' width='30' height='8' fill='%23FFCE00'/></svg>");
}
.phrase-tag.flag-en {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 40' preserveAspectRatio='none'><rect width='60' height='40' fill='%23012169'/><path d='M0 0 L60 40 M60 0 L0 40' stroke='white' stroke-width='8'/><path d='M0 0 L60 40 M60 0 L0 40' stroke='%23C8102E' stroke-width='3'/><rect x='0' y='14' width='60' height='12' fill='white'/><rect x='24' y='0' width='12' height='40' fill='white'/><rect x='0' y='16' width='60' height='8' fill='%23C8102E'/><rect x='26' y='0' width='8' height='40' fill='%23C8102E'/></svg>");
}
.phrase-text {
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
}

/* ---------------- Vocab table ---------------- */
.vocab-controls {
  margin: 20px 0;
}
.vocab-search {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  outline: none;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}
.vocab-search:focus {
  border-color: var(--swiss-red);
  box-shadow: 0 0 0 3px rgba(218, 41, 28, 0.15);
}
.vocab-table tbody tr.hidden {
  display: none;
}
.vocab-table tbody td {
  font-size: 15.5px;
}
.vocab-table tbody td:first-child strong {
  color: var(--ink);
  font-weight: 600;
}
.vocab-table tbody td em {
  font-size: 14px;
  color: var(--ink-2);
}
.vocab-table tbody tr.vocab-category td {
  background: var(--paper-2);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-2);
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding: 14px 16px;
}
.vocab-table tbody tr.vocab-category:first-child td {
  border-top: 0;
}
.warn {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #b71f14;
  background: rgba(218, 41, 28, 0.08);
  padding: 1px 6px;
  border-radius: 3px;
  vertical-align: 1px;
}

/* ---------------- Sources ---------------- */
.sources {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.sources li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 14px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  align-items: baseline;
}
.sources li > a,
.sources li > span:nth-child(2) {
  font-weight: 600;
  font-size: 14.5px;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
  justify-self: start;
}
.sources li > a:hover {
  color: #0a3a70;
  text-decoration-color: #0a3a70;
}
.src-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: var(--ink);
  padding: 3px 8px;
  border-radius: 3px;
  text-align: center;
  justify-self: start;
}
.src-note {
  grid-column: 2;
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
}
.section sup a {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--zurich-blue);
  text-decoration: none;
  padding: 0 2px;
}
.section sup a:hover {
  text-decoration: underline;
}

/* ---------------- Dialogue ---------------- */
.dialogue {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}
.dialogue-turn {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px;
}
.dialogue-line {
  font-size: 14.5px;
  line-height: 1.55;
  padding: 3px 0;
}
.dialogue-line.sg-line {
  color: var(--ink);
  font-weight: 500;
}
.dialogue-line.de-line {
  color: var(--ink-2);
}
.dialogue-line.en-line {
  color: var(--muted);
  font-style: italic;
}
.who {
  display: inline-block;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--swiss-red);
  color: #fff;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  line-height: 22px;
  margin-right: 10px;
  vertical-align: 1px;
}
.dialogue-turn:nth-child(even) .who {
  background: var(--zurich-blue);
}

.end-note {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
}

/* ---------------- Footer ---------------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper-2);
  padding: 32px 0;
}
.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}
.footer-meta {
  font-size: 13px;
  color: var(--muted);
}
.footer-meta a {
  color: var(--zurich-blue);
}

/* ---------------- Responsive ---------------- */
@media (max-width: 720px) {
  .two-col {
    grid-template-columns: 1fr;
  }
  .data-table th,
  .data-table td {
    padding: 10px 12px;
    font-size: 14px;
  }
  .phrase-row {
    align-items: flex-start;
    gap: 10px;
  }
}