/* =========================================================
   Fjalori i Programimit — styles
   All colours live in the variables below. Change them here
   and the whole site follows (light + dark).
   ========================================================= */

:root {
  --bg: #faf9f6;
  --surface: #ffffff;
  --surface-2: #f3f1ec;
  --text: #1c1b1f;
  --muted: #65616c;
  --border: #e7e3db;
  --accent: #c8323c;          /* a soft nod to the flag red */
  --accent-soft: #fbeaeb;
  --focus: #2f6fed;
  --code-bg: #f6f4ef;
  --shadow: 0 1px 2px rgb(20 18 14 / 0.04), 0 6px 24px rgb(20 18 14 / 0.05);

  /* category colours are built from a hue number set in terms.json */
  --cat-sat: 65%;
  --cat-bg-l: 94%;
  --cat-fg-l: 34%;

  --radius: 16px;
  --radius-sm: 10px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #121214;
  --surface: #1a1a1e;
  --surface-2: #232328;
  --text: #ecebf0;
  --muted: #a3a0ab;
  --border: #2d2d33;
  --accent: #ff6b74;
  --accent-soft: #3a1c20;
  --focus: #7aa5ff;
  --code-bg: #16161a;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 6px 24px rgb(0 0 0 / 0.25);

  --cat-sat: 45%;
  --cat-bg-l: 20%;
  --cat-fg-l: 78%;

  color-scheme: dark;
}

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

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0; }

.container {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 16px;
}

main { flex: 1; padding-top: 32px; padding-bottom: 64px; }
main:focus, main:focus-visible { outline: none; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  background: var(--surface);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  z-index: 10;
}
.skip-link:focus { left: 8px; }

.loading { color: var(--muted); }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 650;
  min-width: 0;
}

.brand-mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
}

.brand-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.header-actions { display: flex; align-items: center; gap: 8px; }

.lang-toggle {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}
.lang-toggle span { padding: 4px 10px; border-radius: 999px; }
.lang-toggle span.active { background: var(--text); color: var(--bg); }

.icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}
.icon-btn i { font-size: 16px; }
[data-theme="light"] .icon-sun,
[data-theme="dark"] .icon-moon { display: none; }

/* ---------- hero + search ---------- */

.hero { padding: 24px 0 8px; }

.hero h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 700;
  max-width: 16ch;
}
.hero h1 em { font-style: normal; color: var(--accent); }

.lede { color: var(--muted); font-size: 1.1rem; margin: 12px 0 28px; max-width: 46ch; }

.search { position: relative; }

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  height: 56px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.search-box:focus-within { border-color: var(--focus); }
.search-box > i { flex: none; font-size: 18px; color: var(--muted); }

.search-box input {
  flex: 1;
  min-width: 0;
  height: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 1.05rem;
  outline: none;
}
.search-box input::placeholder { color: var(--muted); opacity: 0.8; }
.search-box input::-webkit-search-cancel-button { display: none; }

kbd {
  font-family: var(--mono);
  font-size: 12px;
  padding: 2px 7px;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 6px;
  color: var(--muted);
}

.search-hint { font-size: 0.875rem; color: var(--muted); margin: 10px 2px 0; }

.results {
  list-style: none;
  margin: 12px 0 0;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.results[hidden] { display: none; }

.result {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
}
.result:hover, .result:focus-visible, .result.is-first { background: var(--surface-2); }
.result-names { flex: 1; min-width: 0; }
.result-en { font-weight: 600; }
.result-sq { color: var(--muted); margin-left: 8px; }
.results .empty { padding: 12px; color: var(--muted); margin: 0; }

/* ---------- sections ---------- */

.section { margin-top: 56px; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.section-head h2 { font-size: 1.25rem; }
.section-head .count { color: var(--muted); font-size: 0.9rem; }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- category colours ---------- */

[style*="--hue"] {
  --cat-bg: hsl(var(--hue) var(--cat-sat) var(--cat-bg-l));
  --cat-fg: hsl(var(--hue) var(--cat-sat) var(--cat-fg-l));
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--cat-bg);
  color: var(--cat-fg);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

/* ---------- word of the day ---------- */

.wotd {
  position: relative;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.wotd::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--accent);
}
.wotd-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.wotd h2 { font-size: 2rem; }
.wotd .alt { color: var(--muted); margin: 4px 0 14px; font-size: 1.05rem; }
.wotd p.text { margin: 0 0 18px; }

.link-arrow {
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}
.link-arrow:hover { text-decoration: underline; text-underline-offset: 3px; }

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

.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.cat-card {
  display: flex;
  gap: 14px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s;
}
.cat-card:hover { border-color: var(--cat-fg); transform: translateY(-2px); }

.cat-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--cat-bg);
  color: var(--cat-fg);
  font-family: var(--mono);
  font-weight: 500;
  font-size: 15px;
}
.cat-card h3 { font-size: 1rem; margin-bottom: 2px; }
.cat-card p { margin: 0; color: var(--muted); font-size: 0.9rem; line-height: 1.45; }
.cat-card .count { display: block; margin-top: 6px; font-size: 0.8rem; color: var(--cat-fg); font-weight: 600; }

/* ---------- chips (all terms, related) ---------- */

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

.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: border-color 0.15s, background 0.15s;
}
.chip:hover { border-color: var(--cat-fg, var(--text)); background: var(--surface-2); }
.chip small { color: var(--muted); font-weight: 400; font-size: 0.82rem; }

/* ---------- term cards (category page) ---------- */

.term-list { display: grid; gap: 10px; }

.term-card {
  display: block;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.15s;
}
.term-card:hover { border-color: var(--cat-fg); }
.term-card h3 { font-size: 1.15rem; display: inline; }
.term-card .alt { color: var(--muted); margin-left: 8px; }
.term-card p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- breadcrumbs ---------- */

.crumbs { font-size: 0.9rem; color: var(--muted); margin-bottom: 24px; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--text); text-decoration: underline; }
.crumbs span[aria-hidden] { margin: 0 6px; }

/* ---------- term page ---------- */

.term-head { margin-bottom: 32px; }
.term-head h1 { font-size: clamp(2.4rem, 8vw, 3.5rem); font-weight: 700; margin: 12px 0 6px; }
.term-head .alt { font-size: 1.2rem; color: var(--muted); margin: 0; }
.term-head .alt strong { color: var(--text); font-weight: 600; }

.block {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.block h2 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.explain-primary p { font-size: 1.15rem; margin: 0; }
.explain-secondary {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px dashed var(--border);
}
.explain-secondary p { margin: 0; color: var(--muted); }

.lang-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 5px;
  background: var(--surface-2);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0;
}

.analogy { background: var(--accent-soft); border-color: transparent; }
.analogy h2 { color: var(--accent); }
.analogy p { margin: 0; font-size: 1.08rem; }
.analogy details { margin-top: 14px; font-size: 0.95rem; }
.analogy summary { cursor: pointer; color: var(--accent); font-weight: 500; }
.analogy details p { margin-top: 8px; font-size: 0.95rem; opacity: 0.85; }

.block.code { padding: 0; overflow: hidden; }
.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 10px 20px;
  border-bottom: 1px solid var(--border);
}
.code-head h2 { margin: 0; }
.code-lang { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); margin-left: 8px; text-transform: none; letter-spacing: 0; }

.copy-btn {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
}
.copy-btn:hover { background: var(--surface-2); }
.copy-btn i { margin-right: 2px; }

.code pre {
  margin: 0;
  padding: 18px 20px;
  background: var(--code-bg);
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.65;
  tab-size: 2;
}

.term-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 40px;
}
.term-nav a {
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  background: var(--surface);
}
.term-nav a:hover { border-color: var(--text); }
.term-nav small { display: block; color: var(--muted); font-size: 0.8rem; }
.term-nav strong { font-weight: 600; }
.term-nav .next { text-align: right; }

/* ---------- category page head ---------- */

.page-head { margin-bottom: 28px; display: flex; gap: 16px; align-items: center; }
.page-head .cat-icon { width: 56px; height: 56px; font-size: 18px; border-radius: 14px; }
.page-head h1 { font-size: clamp(1.8rem, 6vw, 2.4rem); }
.page-head p { margin: 4px 0 0; color: var(--muted); }

/* ---------- empty / error ---------- */

.empty-state { text-align: center; padding: 64px 0; }
.empty-state h1 { font-size: 2rem; margin-bottom: 8px; }
.empty-state p { color: var(--muted); }

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

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.site-footer p { margin: 0; }

/* ---------- "Dëgjo" (listen) button ---------- */

.explain-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.explain-head h2 { margin-bottom: 0; }

.listen-btn {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.listen-btn:hover { background: var(--surface-2); }
.listen-btn.is-playing { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.listen-icon { display: inline-grid; place-items: center; width: 1.1em; font-size: 0.95rem; line-height: 1; }

.site-footer .credit { margin-top: 6px; font-size: 0.82rem; }
.site-footer .credit a { color: inherit; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.btn:hover { background: var(--surface-2); }
.btn:active { transform: scale(0.98); }
.btn-ghost { min-height: 42px; padding: 0 14px; font-size: 0.92rem; }
.btn-know { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn-know:hover { background: var(--text); opacity: 0.88; }

/* ---------- header link ---------- */

.header-link {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--muted);
}
.header-link:hover { color: var(--text); background: var(--surface-2); }

/* ---------- flashcards link on home ---------- */

.cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s;
}
.cta:hover { border-color: var(--accent); transform: translateY(-2px); }
.cta-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}
.cta-icon i { font-size: 20px; }
.cta-text { flex: 1; min-width: 0; }
.cta-text strong { display: block; }
.cta-text span { color: var(--muted); font-size: 0.92rem; }
.cta-arrow { color: var(--accent); font-weight: 700; font-size: 1.2rem; }

/* ---------- flashcards page ---------- */

.fc-head h1 { font-size: clamp(1.8rem, 6vw, 2.4rem); }
.fc-head .lede { margin: 8px 0 20px; font-size: 1rem; }

.fc-controls {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.fc-select { display: grid; gap: 4px; flex: 1 1 160px; min-width: 0; max-width: 320px; font-size: 0.82rem; font-weight: 600; color: var(--muted); }
.fc-select select {
  width: 100%;
  min-width: 0;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 500;
}

.fc-progress { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.fc-bar { flex: 1; height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.fc-bar span { display: block; height: 100%; border-radius: inherit; background: var(--accent); transition: width 0.3s; }
.fc-count { font-size: 0.85rem; color: var(--muted); font-weight: 500; white-space: nowrap; }

/* The card: both faces sit in the same grid cell, so the card is as tall as the taller face */
.fc-card {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  perspective: 1400px;
}
.fc-inner {
  display: grid;
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.3, 0.7, 0.3, 1);
}
.fc-card.is-flipped .fc-inner { transform: rotateY(180deg); }

.fc-face {
  grid-area: 1 / 1;
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.fc-front { align-items: center; justify-content: center; text-align: center; gap: 16px; border-top: 4px solid var(--cat-fg); }
.fc-back { transform: rotateY(180deg); gap: 12px; border-top: 4px solid var(--cat-fg); }

.fc-term { font-size: clamp(2.2rem, 9vw, 3.4rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; }
.fc-tap { color: var(--muted); font-size: 0.85rem; }
.fc-back-term { font-size: 0.85rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.fc-alt { font-size: 1.4rem; font-weight: 700; color: var(--cat-fg); line-height: 1.25; }
.fc-text { font-size: 1.05rem; }
.fc-analogy {
  margin-top: auto;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--accent-soft);
  font-size: 0.95rem;
}

.fc-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.fc-hint { margin: 14px 0 0; text-align: center; font-size: 0.85rem; color: var(--muted); }
.fc-hint a { color: var(--accent); font-weight: 500; text-decoration: none; }
.fc-hint a:hover { text-decoration: underline; }

.fc-done {
  padding: 40px 24px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
}
.fc-done-icon { font-size: 2.6rem; line-height: 1; margin-bottom: 14px; color: var(--accent); }
.fc-done h2 { font-size: 1.6rem; margin-bottom: 8px; }
.fc-done p { color: var(--muted); margin: 0; }
.fc-done .fc-actions { max-width: 460px; margin: 24px auto 0; grid-template-columns: 1fr; }

@media (hover: none) {
  .fc-keys { display: none; }
}

/* ---------- small screens ---------- */

@media (max-width: 560px) {
  body { font-size: 16px; }
  main { padding-top: 20px; }
  .brand-name { font-size: 0.95rem; }
  .search-box kbd { display: none; }
  .wotd, .block { padding: 20px; }
  .code-head { padding-left: 20px; }
  .code pre { padding: 16px 20px; font-size: 0.82rem; }
  .result-sq { display: block; margin-left: 0; font-size: 0.9rem; }
  .term-nav { grid-template-columns: 1fr; }
  .term-nav .next { text-align: left; }
}

@media (max-width: 480px) {
  .header-link { display: none; }
  .fc-face { padding: 22px; min-height: 280px; }
}

@media (max-width: 380px) {
  .brand { gap: 8px; }
  .brand-mark { width: 30px; height: 30px; font-size: 12px; }
  .brand-name { font-size: 0.875rem; }
  .lang-toggle span { padding: 4px 8px; }
  .icon-btn { width: 34px; height: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}