/* ============================================================
   SyntaxHub — Eye-comfort dark theme
   ============================================================ */

:root {
  /* Core palette */
  --bg: #0d1117;
  --bg-deep: #010409;
  --surface: #161b22;
  --surface-2: #1b222c;
  --border: #30363d;
  --border-soft: #21262d;
  --text: #c9d1d9;
  --text-strong: #f0f6fc;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-strong: #79c0ff;
  --accent-soft: rgba(88, 166, 255, 0.12);
  --accent-glow: rgba(88, 166, 255, 0.35);
  --success: #3fb950;

  /* Code syntax */
  --code-bg: #010409;
  --code-text: #c9d1d9;
  /* Multiplier for code blocks, driven by the A− / A+ header control */
  --code-font-size: 100%;

  /* Shape & motion */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 8px 24px rgba(1, 4, 9, 0.55);
  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Type */
  --font-sans:
    "Inter", "Noto Kufi Arabic", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, sans-serif;
  --font-mono:
    "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    monospace;

  --header-h: 68px;
  --container: 1180px;
}

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

* {
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
  background:
    radial-gradient(
      1100px 500px at 50% -220px,
      rgba(88, 166, 255, 0.09),
      transparent 70%
    ),
    var(--bg);
  background-repeat: no-repeat;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
}

/* Arabic mode: Kufi reads better for UI copy */
html[lang="ar"] body {
  font-family:
    "Noto Kufi Arabic",
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.8;
}

img,
svg {
  display: block;
  flex-shrink: 0;
}

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

button {
  cursor: pointer;
  background: none;
  border: none;
}

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

::selection {
  background: rgba(88, 166, 255, 0.3);
  color: var(--text-strong);
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  inset-inline-start: 16px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: top var(--transition);
}

.skip-link:focus {
  top: 12px;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(13, 17, 23, 0.82);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  color: var(--accent);
  background: linear-gradient(
    150deg,
    rgba(88, 166, 255, 0.18),
    rgba(88, 166, 255, 0.04)
  );
  border: 1px solid rgba(88, 166, 255, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 0 18px rgba(88, 166, 255, 0.12);
  transition:
    box-shadow var(--transition),
    border-color var(--transition);
}

.brand:hover .brand-mark {
  border-color: rgba(88, 166, 255, 0.5);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 0 22px rgba(88, 166, 255, 0.25);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.brand-title {
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-strong);
}

.brand-accent {
  color: var(--accent);
}

.brand-badge {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--muted);
  padding-inline: 7px;
  padding-block: 1px;
  border-inline-start: 1px solid var(--border);
  line-height: 1.35;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Layout mirroring: right-align the brand copy in RTL */
[dir="rtl"] .brand-badge {
  border-inline-start: 1px solid var(--border);
}

/* ---------- Code font-size control ---------- */
.font-control {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  padding: 3px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.font-btn {
  display: grid;
  place-items: center;
  min-width: 28px;
  height: 26px;
  border-radius: 7px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  transition:
    color var(--transition),
    background var(--transition);
}

.font-btn sup {
  font-size: 0.62em;
  line-height: 1;
  margin-inline-start: 1px;
}

.font-btn:hover:not(:disabled) {
  color: var(--text-strong);
  background: rgba(139, 148, 158, 0.12);
}

.font-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.font-value {
  min-width: 42px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  transition: color var(--transition);
}

.font-value:hover {
  color: var(--accent-strong);
}

.font-value.is-default {
  color: var(--text);
}

/* ---------- Language switcher ---------- */
.lang-switch {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.lang-btn {
  min-width: 46px;
  padding: 5px 12px;
  border-radius: 7px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition:
    color var(--transition),
    background var(--transition),
    box-shadow var(--transition);
}

.lang-btn:hover {
  color: var(--text);
  background: rgba(139, 148, 158, 0.1);
}

.lang-btn.is-active {
  color: var(--accent-strong);
  background: var(--accent-soft);
  box-shadow:
    0 0 0 1px rgba(88, 166, 255, 0.35) inset,
    0 0 14px rgba(88, 166, 255, 0.22);
  text-shadow: 0 0 12px rgba(88, 166, 255, 0.45);
}

/* ============================================================
   Hero & Search
   ============================================================ */
.hero {
  padding-block: 56px 8px;
  text-align: center;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-title {
  font-size: clamp(1.75rem, 4.2vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text-strong);
}

.hero-subtitle {
  max-width: 620px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.96rem;
}

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: min(640px, 100%);
  margin-top: 30px;
}

.search-icon {
  position: absolute;
  inset-inline-start: 16px;
  color: var(--muted);
  pointer-events: none;
  transition: color var(--transition);
}

.search-input {
  width: 100%;
  height: 52px;
  padding-inline: 46px 92px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-strong);
  font-size: 0.95rem;
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    background var(--transition);
}

.search-input::placeholder {
  color: #6e7681;
}

.search-input::-webkit-search-cancel-button {
  display: none;
}

.search-input:hover {
  border-color: #3d454f;
}

.search-input:focus {
  outline: none;
  border-color: rgba(88, 166, 255, 0.6);
  background: var(--surface-2);
  box-shadow:
    0 0 0 4px rgba(88, 166, 255, 0.12),
    0 0 22px rgba(88, 166, 255, 0.08);
}

.search-wrap:focus-within .search-icon {
  color: var(--accent);
}

.search-hint {
  position: absolute;
  inset-inline-end: 14px;
  display: grid;
  place-items: center;
  min-width: 24px;
  height: 24px;
  padding-inline: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: opacity var(--transition);
}

.search-clear {
  position: absolute;
  inset-inline-end: 12px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  color: var(--muted);
  background: rgba(139, 148, 158, 0.1);
  transition:
    color var(--transition),
    background var(--transition);
}

.search-clear:hover {
  color: var(--text-strong);
  background: rgba(139, 148, 158, 0.2);
}

.search-wrap.has-value .search-hint,
.search-wrap:focus-within .search-hint {
  display: none;
}

.stats {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  font-size: 0.8rem;
  color: var(--muted);
}

/* Result counter turns accent-coloured while a filter is active */
.stats[data-filtered="true"] .stat:first-child strong {
  color: var(--accent-strong);
}

/* ---------- Card / Compact view toggle ---------- */
.view-toggle {
  display: inline-flex;
  margin-top: 22px;
  padding: 3px;
  gap: 2px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.view-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 7px;
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--muted);
  transition:
    color var(--transition),
    background var(--transition),
    box-shadow var(--transition);
}

.view-btn:hover {
  color: var(--text-strong);
  background: rgba(139, 148, 158, 0.1);
}

.view-btn.is-active {
  color: var(--accent-strong);
  background: var(--accent-soft);
  box-shadow:
    0 0 0 1px rgba(88, 166, 255, 0.32) inset,
    0 0 14px rgba(88, 166, 255, 0.18);
}

.stats strong {
  color: var(--text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.stat-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--border);
}

/* ============================================================
   Filter bar
   ============================================================ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 34px;
  padding-bottom: 8px;
}

.filter-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
  white-space: nowrap;
  transition:
    color var(--transition),
    background var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

.filter-tab:hover {
  color: var(--text-strong);
  border-color: #444c56;
  background: var(--surface-2);
  transform: translateY(-1px);
}

.filter-tab:active {
  transform: translateY(0);
}

.filter-tab .tab-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.filter-tab .tab-label svg {
  color: #d29922;
}

.filter-tab .tab-count {
  font-size: 0.7rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  padding: 0 6px;
  border-radius: 999px;
  background: rgba(139, 148, 158, 0.14);
  transition:
    color var(--transition),
    background var(--transition);
}

/* Favorites tab sits slightly apart from the language tabs */
.filter-tab[data-filter="favorites"] {
  margin-inline-start: 4px;
}

[dir="rtl"] .filter-tab .tab-label {
  flex-direction: row;
}

.filter-tab.is-active {
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-color: rgba(88, 166, 255, 0.5);
  box-shadow:
    0 0 0 1px rgba(88, 166, 255, 0.12),
    0 0 18px rgba(88, 166, 255, 0.16);
}

.filter-tab.is-active .tab-count {
  color: var(--accent-strong);
  background: rgba(88, 166, 255, 0.18);
}

/* ============================================================
   Topic (tag) filter strip
   ============================================================ */
.tag-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-top: 14px;
  padding-bottom: 6px;
}

.tag-bar[hidden] {
  display: none;
}

.tag-chip {
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  transition:
    color var(--transition),
    background var(--transition),
    border-color var(--transition);
}

.tag-chip:hover {
  color: var(--text-strong);
  border-color: #444c56;
  background: var(--surface);
}

.tag-chip.is-active {
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-color: rgba(88, 166, 255, 0.45);
}

.tag-chip-all {
  font-family: var(--font-sans);
  color: var(--text);
}

.tag-chip-more {
  font-family: var(--font-sans);
  color: var(--accent);
  border-style: dashed;
}

/* Tag badges inside a card */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin-top: 2px;
}

.card-tags[hidden] {
  display: none;
}

.tag-badge {
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: rgba(139, 148, 158, 0.07);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.6;
  transition:
    color var(--transition),
    background var(--transition),
    border-color var(--transition);
}

.tag-badge:hover {
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-color: rgba(88, 166, 255, 0.4);
}

.tag-badge.is-active {
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-color: rgba(88, 166, 255, 0.5);
}

[dir="rtl"] .tag-badge,
[dir="rtl"] .tag-chip {
  unicode-bidi: isolate;
}

/* ============================================================
   Snippets
   ============================================================ */
.section {
  flex: 1 0 auto;
  padding-block: 26px 64px;
}

.snippets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 460px), 1fr));
  gap: 18px;
  align-items: start;
}

.snippet-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
  animation: card-in 260ms ease both;
}

.snippet-card:hover {
  border-color: #3d454f;
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.snippet-card:focus-within {
  border-color: rgba(88, 166, 255, 0.5);
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 12px;
}

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

.topic-chip {
  align-self: flex-start;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 1px 0;
}

.topic-chip[hidden] {
  display: none;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-strong);
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.55;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

/* Share this snippet (copies a deep link) */
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  min-width: 28px;
  padding: 0 4px;
  border-radius: 8px;
  color: #6e7681;
  border: 1px solid transparent;
  font-size: 0.72rem;
  font-weight: 500;
  transition:
    color var(--transition),
    background var(--transition),
    border-color var(--transition);
}

.share-btn:hover {
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-color: rgba(88, 166, 255, 0.3);
}

.share-btn.is-copied {
  color: var(--success);
  background: rgba(63, 185, 80, 0.1);
  border-color: rgba(63, 185, 80, 0.4);
}

.fav-btn {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  color: #6e7681;
  border: 1px solid transparent;
  transition:
    color var(--transition),
    background var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

.fav-btn svg {
  transition: transform 160ms ease, fill var(--transition), stroke var(--transition);
}

.fav-btn:hover {
  color: #d29922;
  background: rgba(210, 153, 34, 0.1);
  border-color: rgba(210, 153, 34, 0.3);
}

.fav-btn:hover svg {
  transform: scale(1.08);
}

.fav-btn.is-active {
  color: #e3b341;
  background: rgba(210, 153, 34, 0.12);
  border-color: rgba(210, 153, 34, 0.35);
}

.fav-btn.is-active svg {
  fill: currentColor;
  filter: drop-shadow(0 0 6px rgba(227, 179, 65, 0.35));
}

.fav-btn.is-active:active svg,
.fav-btn:active svg {
  transform: scale(0.9);
}

.lang-chip {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  padding: 2px 9px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--accent-strong);
  background: rgba(88, 166, 255, 0.08);
  border: 1px solid rgba(88, 166, 255, 0.22);
  direction: ltr;
  unicode-bidi: isolate;
}

/* Cards inherit the theme's colour (also guards against a stale .card rule
   matching the headless renderer's UA styles) */
.snippet-card {
  color: var(--text);
}

/* Code box */
.code-box {
  position: relative;
  margin: 0 12px 12px;
  background: var(--code-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  /* Code is always LTR, even in Arabic mode */
  direction: ltr;
  text-align: left;
}

.code-box pre {
  margin: 0;
  overflow: hidden;
}

.code-box code {
  display: block;
  padding: 16px 18px;
  font-family: var(--font-mono);
  /* 0.78rem at 100%, scaled by the header font control */
  font-size: calc(0.78rem * var(--code-font-size) / 100%);
  line-height: 1.65;
  color: var(--code-text);
  tab-size: 4;
  white-space: pre;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: #30363d transparent;
  direction: ltr;
  text-align: left;
  unicode-bidi: isolate;
}

.code-box code::-webkit-scrollbar {
  height: 8px;
}

.code-box code::-webkit-scrollbar-thumb {
  background: #30363d;
  border-radius: 8px;
}

.card .code-box code {
  max-height: 268px;
  overflow-y: auto;
}

/* Fade the bottom edge only when the code overflows the max height */
.card .code-box.is-scrollable code {
  mask-image: linear-gradient(
    to bottom,
    #000 calc(100% - 26px),
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    #000 calc(100% - 26px),
    transparent 100%
  );
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: rgba(22, 27, 34, 0.92);
  backdrop-filter: blur(6px);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  opacity: 0;
  transform: translateY(-2px);
  transition:
    opacity var(--transition),
    transform var(--transition),
    color var(--transition),
    border-color var(--transition),
    background var(--transition);
}

.snippet-card:hover .copy-btn,
.snippet-card:focus-within .copy-btn,
.copy-btn:focus-visible,
.copy-btn.is-copied {
  opacity: 1;
  transform: translateY(0);
}

.copy-btn:hover {
  color: var(--text-strong);
  border-color: #444c56;
  background: var(--surface-2);
}

.copy-btn.is-copied {
  color: var(--success);
  border-color: rgba(63, 185, 80, 0.45);
  background: rgba(63, 185, 80, 0.08);
}

/* While confirming a copy the label swaps to "Copied! ✓" for 2 seconds */
.copy-btn.is-copied .copy-label {
  color: var(--success);
  font-weight: 600;
  white-space: nowrap;
}

.copy-btn.is-copied .icon-copy {
  display: none;
}

.copy-btn.is-copied::before {
  content: "";
  width: 14px;
  height: 14px;
  background-color: currentColor;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'></polyline></svg>")
    center / contain no-repeat;
  mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'></polyline></svg>")
    center / contain no-repeat;
}

[dir="rtl"] .copy-btn.is-copied {
  flex-direction: row;
}

@media (hover: none), (pointer: coarse) {
  .copy-btn {
    opacity: 1;
    transform: none;
  }
}

/* Card footer */
.card-foot {
  margin-top: auto;
  padding: 0 18px 14px;
}

.open-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  padding: 4px 0;
  transition:
    color var(--transition),
    gap var(--transition);
}

.open-btn:hover {
  color: var(--accent);
  gap: 9px;
}

.open-btn svg {
  transition: transform var(--transition);
}

[dir="rtl"] .open-btn svg {
  transform: scaleX(-1);
}

/* ============================================================
   Empty / error states
   ============================================================ */
.state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 64px 24px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  background: rgba(22, 27, 34, 0.4);
}

/* Author styles must never override the hidden attribute */
.snippets-grid[hidden],
.state[hidden] {
  display: none;
}

.state-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 6px;
  border-radius: 50%;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
}

.state-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-strong);
}

.state-text {
  max-width: 460px;
  font-size: 0.86rem;
  color: var(--muted);
}

.state-text code {
  font-family: var(--font-mono);
  font-size: 0.78em;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--code-bg);
  border: 1px solid var(--border-soft);
  direction: ltr;
  unicode-bidi: isolate;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.84rem;
  font-weight: 500;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition);
}

.btn-ghost {
  margin-top: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: #444c56;
  background: var(--surface-2);
  color: var(--text-strong);
}

/* ============================================================
   Footer
   ============================================================ */
/* Pinned to the bottom by the flex column body; one centered line only */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-soft);
  background: rgba(13, 17, 23, 0.6);
  padding: 18px 24px;
}

.copyright {
  display: block;
  width: 100%;
  margin-inline: auto;
  text-align: center;
  font-size: 0.8rem;
  line-height: 1.6;
  color: #8b949e;
  letter-spacing: 0.01em;
}

[dir="rtl"] .copyright {
  letter-spacing: 0;
}

/* ============================================================
   Modal
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 24px;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(1, 4, 9, 0.72);
  backdrop-filter: blur(4px);
  animation: fade-in 160ms ease both;
}

.modal-panel {
  position: relative;
  width: min(920px, 100%);
  max-height: calc(100dvh - 48px);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(1, 4, 9, 0.75);
  overflow: hidden;
  animation: modal-in 200ms cubic-bezier(0.2, 0.9, 0.3, 1) both;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  position: relative;
  padding: 22px 56px 16px 22px;
  border-bottom: 1px solid var(--border-soft);
}

[dir="rtl"] .modal-header {
  padding: 22px 22px 16px 56px;
}

.modal-meta {
  margin-bottom: 8px;
}

.modal-title {
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--text-strong);
}

.modal-desc {
  margin-top: 6px;
  font-size: 0.86rem;
  color: var(--muted);
  max-width: 680px;
}

.modal-close {
  position: absolute;
  top: 16px;
  inset-inline-end: 16px;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  color: var(--muted);
  transition:
    color var(--transition),
    background var(--transition);
}

.modal-close:hover {
  color: var(--text-strong);
  background: var(--surface-2);
}

.modal-body {
  padding: 16px;
  overflow-y: auto;
}

.modal-code {
  margin: 0;
}

.modal-code .copy-btn {
  opacity: 1;
  transform: none;
}

.modal-code code {
  max-height: none;
  white-space: pre;
}

body.modal-open {
  overflow: hidden;
}

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed;
  top: calc(var(--header-h) + 16px);
  left: 50%;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid rgba(63, 185, 80, 0.4);
  color: #d2f4d8;
  font-size: 0.84rem;
  font-weight: 500;
  box-shadow:
    0 12px 32px rgba(1, 4, 9, 0.6),
    0 0 20px rgba(63, 185, 80, 0.12);
  transform: translate(-50%, -12px);
  opacity: 0;
  pointer-events: none;
  transition:
    transform 260ms cubic-bezier(0.2, 0.9, 0.3, 1),
    opacity 260ms ease;
}

.toast svg {
  color: var(--success);
}

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

/* ============================================================
   RTL adjustments
   ============================================================ */
[dir="rtl"] .card-title,
[dir="rtl"] .hero-title,
[dir="rtl"] .modal-title,
[dir="rtl"] .brand-title {
  letter-spacing: 0;
}

[dir="rtl"] .hero-subtitle,
[dir="rtl"] .card-desc,
[dir="rtl"] .modal-desc {
  line-height: 1.75;
}

[dir="rtl"] .filter-tab .tab-count {
  letter-spacing: 0;
}

/* Keep code, paths and inline tokens LTR in RTL mode */
[dir="rtl"] .code-box,
[dir="rtl"] .code-box *,
[dir="rtl"] .lang-chip,
[dir="rtl"] .state-text code {
  direction: ltr;
  unicode-bidi: isolate;
  text-align: left;
}

/* Copy button stays in the code box's top-right corner; flip icon order */
[dir="rtl"] .copy-btn {
  flex-direction: row-reverse;
}

[dir="rtl"] .copy-btn .copy-label {
  unicode-bidi: plaintext;
}

/* Latin shortcuts/monospace tokens must not be reordered by the RTL bidi algorithm.
   Note: keep the logical side by clearing `direction` on the position only —
   `direction: ltr` would flip inset-inline-end physically. */
[dir="rtl"] .search-hint,
[dir="rtl"] .tab-count {
  unicode-bidi: isolate-override;
  direction: ltr;
  /* direction:ltr re-resolves inset-inline-end physically, so pin RTL explicitly */
}

[dir="rtl"] .search-hint {
  inset-inline-end: 14px;
  inset-inline-start: auto;
}

[dir="rtl"] .search-hint {
  text-align: center;
  padding-inline: 6px;
}

/* Tag chips mix Latin tails (#async) with Arabic labels. Isolating the token
   keeps "#" glued to its word instead of drifting to the far side. */
[dir="rtl"] .tag-chip,
[dir="rtl"] .tag-badge {
  unicode-bidi: plaintext;
}

/* Cards: share then star to the right of the language chip in RTL, mirroring LTR */
[dir="rtl"] .card-actions {
  flex-direction: row-reverse;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 720px) {
  .container {
    padding-inline: 18px;
  }

  .hero {
    padding-block: 38px 4px;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .search-input {
    height: 48px;
    font-size: 0.9rem;
    padding-inline-end: 46px;
  }

  .search-hint {
    display: none;
  }

  /* Touch devices: keep copy available without hover */
  .copy-btn {
    opacity: 1;
    transform: none;
  }

  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 12px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .filter-bar::-webkit-scrollbar {
    display: none;
  }

  .brand-badge {
    display: none;
  }

  .modal {
    padding: 12px;
  }

  .modal-panel {
    max-height: calc(100dvh - 24px);
  }

  .modal-header {
    padding: 18px 48px 14px 18px;
  }

  [dir="rtl"] .modal-header {
    padding: 18px 18px 14px 48px;
  }
}

@media (max-width: 420px) {
  .brand-title {
    font-size: 1.12rem;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .lang-btn {
    min-width: 40px;
    padding-inline: 9px;
  }

  .copy-btn .copy-label {
    display: none;
  }

  .copy-btn {
    padding: 6px;
  }
}

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

/* ============================================================
   Compact view — dense list for quick scanning
   ============================================================ */
.snippets-grid.is-compact {
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
}

.snippets-grid.is-compact .snippet-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  grid-template-areas:
    "head lang actions"
    "desc desc desc";
  align-items: center;
  gap: 2px 14px;
  padding: 10px 16px;
  border: 0;
  border-radius: 0;
  border-bottom: 1px solid var(--border-soft);
  background: transparent;
  transform: none;
  animation: none;
}

.snippets-grid.is-compact .snippet-card:last-child {
  border-bottom: 0;
}

.snippets-grid.is-compact .snippet-card:hover {
  background: var(--surface-2);
  border-color: var(--border-soft);
  box-shadow: none;
  transform: none;
}

/* Compact row: the head and heading dissolve so title, tag row, description
   and actions are placed directly in the card's own 2-row grid. */
.snippets-grid.is-compact .card-head,
.snippets-grid.is-compact .card-heading {
  display: contents;
}

/* Pin inline slots to the start so text aligns left (right in RTL) */
.snippets-grid.is-compact .card-title,
.snippets-grid.is-compact .card-desc {
  justify-self: stretch;
  text-align: start;
}

.snippets-grid.is-compact .topic-chip {
  display: none;
}

.snippets-grid.is-compact .card-title {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.snippets-grid.is-compact .card-desc {
  grid-column: 1 / -1;
  grid-row: 2;
  font-size: 0.78rem;
  line-height: 1.45;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.snippets-grid.is-compact .card-tags {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  justify-self: end;
  min-width: 0;
  max-width: 55%;
  gap: 0;
  overflow: hidden;
  flex-wrap: nowrap;
  white-space: nowrap;
  mask-image: linear-gradient(to right, #000 85%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, #000 85%, transparent 100%);
}

[dir="rtl"] .snippets-grid.is-compact .card-tags {
  mask-image: linear-gradient(to left, #000 85%, transparent 100%);
  -webkit-mask-image: linear-gradient(to left, #000 85%, transparent 100%);
}

/* Keep compact rows to two tags so nothing can wrap the row taller */
.snippets-grid.is-compact .card-tags li:nth-child(n + 3) {
  display: none;
}

.snippets-grid.is-compact .tag-badge {
  border: 0;
  background: none;
  padding: 0 4px;
  font-size: 0.68rem;
  color: #6e7681;
}

.snippets-grid.is-compact .tag-badge:hover {
  color: var(--accent);
  background: none;
}

/* Code, footer and the full card chrome are not needed in compact rows */
.snippets-grid.is-compact .code-box,
.snippets-grid.is-compact .card-foot {
  display: none;
}

.snippets-grid.is-compact .card-actions {
  grid-area: actions;
  gap: 0;
}

/* In compact rows the tags sit in column 2, on the title line, right-aligned */
.snippets-grid.is-compact .card-tags {
  justify-self: end;
}

.snippets-grid.is-compact .lang-chip {
  grid-area: lang;
  font-size: 0.62rem;
  padding: 1px 7px;
}

.snippets-grid.is-compact .card-title::after {
  content: "";
}
/* Whole compact row opens the full snippet (the arrow button is hidden) */
.snippets-grid.is-compact .snippet-card {
  cursor: pointer;
}

[dir="rtl"] .snippets-grid.is-compact .card-title {
  text-align: right;
}

@media (max-width: 720px) {
  .snippets-grid.is-compact {
    border-radius: var(--radius);
    overflow: visible;
  }

  .snippets-grid.is-compact .snippet-card {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "head actions"
      "desc desc";
    padding: 10px 12px;
    gap: 4px 10px;
  }

  .snippets-grid.is-compact .lang-chip {
    display: none;
  }

  .snippets-grid.is-compact .card-actions {
    justify-self: end;
  }
}

/* ============================================================
   Deep-link highlight ( #snippet=<id> )
   ============================================================ */
.snippet-card.is-target {
  animation: target-pulse 1.3s ease-out 2;
  border-color: rgba(88, 166, 255, 0.7);
}

@keyframes target-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(88, 166, 255, 0.55);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(88, 166, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(88, 166, 255, 0);
  }
}

.snippet-card.is-target .card-title {
  color: var(--accent-strong);
}

/* Share button inside the modal header */
.modal-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-header .share-btn {
  height: 26px;
  padding: 0 9px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--muted);
}