/* ==========================================================================
   theRegex — Component overrides
   One section per UI area. Every color here references a token from
   index.css — no hard-coded hex values.
   ========================================================================== */

/* ---------- Navbar ---------- */

.navbar.app-navbar {
  background: var(--navbar-bg) !important;
  border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(140%) blur(6px);
}

.app-navbar .navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-1) !important;
}

.app-navbar .navbar-brand img {
  border-radius: 8px;
}

.app-navbar .navbar-brand .brand-regex {
  color: var(--accent-ink);
}

.navbar-icon-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--toolbar-btn-bg);
  color: var(--text-2);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, transform 0.15s;
}

.navbar-icon-btn:hover {
  color: var(--accent-ink);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.menu-toggle-btn.is-open {
  color: var(--accent-ink);
  border-color: var(--accent);
}

.hamburger-box {
  position: relative;
  display: inline-block;
  width: 18px;
  height: 14px;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease, top 0.2s ease;
}

.hamburger-inner { top: 6px; }
.hamburger-inner::before { content: ""; top: -6px; }
.hamburger-inner::after { content: ""; top: 6px; }

.menu-toggle-btn.is-open .hamburger-inner {
  transform: rotate(45deg);
  transition-delay: 0.1s;
}
.menu-toggle-btn.is-open .hamburger-inner::before {
  top: 0;
  opacity: 0;
  transition: top 0.1s ease, opacity 0.1s ease;
}
.menu-toggle-btn.is-open .hamburger-inner::after {
  top: 0;
  transform: rotate(-90deg);
  transition: top 0.1s ease, transform 0.28s cubic-bezier(0.4, 0, 0.2, 1) 0.1s;
}

.offcanvas.app-offcanvas {
  background: var(--bg-surface) !important;
  color: var(--text-1);
  border-left: 1px solid var(--border);
}

.sidebar-section { margin-bottom: 24px; }

.sidebar-section-label {
  color: var(--text-3);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 8px;
}

.sidebar-list { list-style: none; margin: 0; padding: 0; }
.sidebar-list li + li { margin-top: 2px; }

.sidebar-list .sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-2);
  text-decoration: none;
  text-align: left;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
}

.sidebar-list .sidebar-link i { width: 18px; text-align: center; color: var(--text-3); }

.sidebar-list .sidebar-link:hover,
.sidebar-list .sidebar-link.active {
  background: var(--accent-dim);
  color: var(--accent-ink);
}
.sidebar-list .sidebar-link:hover i,
.sidebar-list .sidebar-link.active i { color: var(--accent-ink); }

.sidebar-credit { padding: 0 10px; font-size: 0.82rem; color: var(--text-3); margin: 10px 0 0; }
.sidebar-credit .fa-heart { color: var(--danger); }

.version-pill { display: inline-flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--text-3); }
.version-pill b { color: var(--accent-ink); }

/* ---------- Hero ---------- */

.hero { max-width: 720px; margin: 0 auto; }

.hero-eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-ink);
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.3px;
  line-height: 1.3;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Worker fallback banner ---------- */

.worker-fallback-banner {
  display: none;
  align-items: center;
  gap: 10px;
  background: var(--warning-dim);
  border: 1px solid var(--warning);
  color: var(--text-1);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.82rem;
  line-height: 1.5;
  margin-bottom: 16px;
}

.worker-fallback-banner.show { display: flex; }

.worker-fallback-banner i {
  color: var(--warning);
  font-size: 1rem;
  flex-shrink: 0;
}

/* ---------- Card / tool shell ---------- */

.tool-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: 22px;
}

.tool-card-desc { color: var(--text-3); font-size: 0.85rem; margin: 0 0 16px; }

/* ---------- Pattern bar ---------- */

.pattern-bar { margin-bottom: 18px; }

.pattern-input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 12px;
  padding: 10px 14px;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}

.pattern-input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.pattern-delim {
  color: var(--accent-ink);
  font-family: "JetBrains Mono", monospace;
  font-size: 1.3rem;
  font-weight: 700;
  flex-shrink: 0;
}

.pattern-input {
  flex: 1 1 220px;
  min-width: 140px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-1);
  font-family: "JetBrains Mono", monospace;
  font-size: 1.05rem;
}

.pattern-input::placeholder { color: var(--text-3); }

.flag-checkboxes {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.flag-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--toolbar-btn-bg);
  color: var(--text-3);
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.flag-chip input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }

.flag-chip:has(input:checked) {
  border-color: var(--accent);
  color: var(--accent-contrast-text);
  background: var(--accent);
}

.flag-chip:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn-icon-only { min-width: auto; flex: 0 0 auto; padding: 8px 12px; }

.pattern-validity-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 2px 4px;
}

.pattern-validity-banner.is-valid { color: var(--success); }
.pattern-validity-banner.is-error { color: var(--danger); }
.pattern-validity-banner.is-empty { color: var(--text-3); }

.autocorrect-suggestion {
  display: none;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  font-size: 0.82rem;
  color: var(--text-1);
}

.autocorrect-suggestion.show { display: flex; }

.autocorrect-suggestion i {
  color: var(--accent-ink);
  flex-shrink: 0;
}

.autocorrect-text { flex: 1; min-width: 200px; }
.autocorrect-text code {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  color: var(--accent-ink);
  font-family: "JetBrains Mono", monospace;
}

/* ---------- Tool tabs (shared shell, regex-specific colors) ---------- */

.tool-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tool-tab {
  --tab-color: var(--accent-ink);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: 10px 10px 0 0;
  color: var(--text-2);
  font-weight: 700;
  font-size: 0.86rem;
  cursor: pointer;
  border: 1px solid transparent;
  margin-bottom: -1px;
  background: transparent;
}

.tool-tab i { font-size: 0.95rem; }
.tool-tab:hover { color: var(--tab-color); }

.tool-tab.active {
  color: var(--tab-color);
  background: var(--bg-elevated);
  border-color: var(--border);
  border-bottom-color: var(--bg-elevated);
}

.tool-tab[data-tab-color="replace"] { --tab-color: var(--group-4); }
.tool-tab[data-tab-color="explain"] { --tab-color: var(--group-1); }
.tool-tab[data-tab-color="lint"] { --tab-color: var(--group-3); }
.tool-tab[data-tab-color="codeexport"] { --tab-color: var(--group-5); }
.tool-tab[data-tab-color="generate"] { --tab-color: var(--group-7); }
.tool-tab[data-tab-color="common"] { --tab-color: var(--group-2); }
.tool-tab[data-tab-color="cheatsheet"] { --tab-color: var(--group-6); }

.tab-count-badge {
  font-size: 0.68rem;
  font-weight: 800;
  background: var(--accent-dim);
  color: var(--accent-ink);
  padding: 1px 7px;
  border-radius: 999px;
}

.tool-pane { display: none; }
.tool-pane.active { display: block; }

/* ---------- Form controls (shared) ---------- */

.app-input, .app-select, textarea.app-input {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-1);
  border-radius: 10px;
  padding: 10px 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  width: 100%;
}

.app-input::placeholder { color: var(--text-3); }

.app-input:focus, .app-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.field-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-3);
  margin-bottom: 6px;
  display: block;
}

.field-block { margin-bottom: 16px; }

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

.toolbar-btn {
  --hover-color: var(--accent-ink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--toolbar-btn-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 14px;
  color: var(--text-2);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 700;
  transition: border-color 0.15s, color 0.15s, transform 0.12s, box-shadow 0.15s;
}

.toolbar-btn.btn-sm { padding: 7px 12px; font-size: 0.76rem; }

.toolbar-btn:hover, .toolbar-btn:focus-visible {
  border-color: var(--hover-color);
  color: var(--hover-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.toolbar-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.toolbar-btn.tb-io { --hover-color: var(--group-1); }
.toolbar-btn.tb-copy { --hover-color: var(--success); }
.toolbar-btn.tb-danger { --hover-color: var(--danger); }

.btn-accent {
  background: var(--accent);
  color: var(--accent-contrast-text);
  border: 1px solid var(--accent);
  font-weight: 700;
  border-radius: 10px;
  padding: 10px 20px;
  transition: background 0.15s, transform 0.12s, box-shadow 0.15s;
}
.btn-accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--accent-contrast-text);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-accent.btn-sm { padding: 7px 14px; font-size: 0.82rem; }

.btn-outline-app {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
  border-radius: 10px;
  padding: 10px 18px;
  font-weight: 700;
  transition: border-color 0.15s, color 0.15s;
}
.btn-outline-app:hover { border-color: var(--accent); color: var(--accent-ink); }
.btn-outline-app.btn-sm { padding: 7px 13px; font-size: 0.8rem; }

.btn-danger-app {
  background: var(--danger);
  color: #fff;
  border: 1px solid var(--danger);
  font-weight: 700;
  border-radius: 10px;
  padding: 10px 20px;
  transition: transform 0.12s, box-shadow 0.15s, filter 0.15s;
}
.btn-danger-app:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: var(--shadow-sm); color: #fff; }

/* ---------- Matches tab ---------- */

.matches-highlight-wrap {
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
}

.matches-highlight {
  padding: 14px 16px;
  min-height: 100px;
  max-height: 320px;
  overflow-y: auto;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--input-bg);
  color: var(--text-1);
}

.matches-empty-hint { color: var(--text-3); font-family: "Inter", sans-serif; }

/* Not scoped to .matches-highlight on purpose: the per-line checker
   (.line-check-text) renders these same marks outside that container, and
   Bootstrap's own `mark` reset otherwise wins with a hard-coded dark
   --bs-body-color, making matched text unreadable in dark mode. */
.rx-hl-match, .rx-hl-group {
  border-radius: 3px;
  padding: 1px 0;
  color: inherit;
}

.rx-hl-match { background: var(--accent-dim); box-shadow: 0 0 0 1px var(--accent) inset; }
.rx-hl-group { box-shadow: 0 -2px 0 0 var(--grp-color, var(--group-1)) inset; }
.rx-hl-g1 { --grp-color: var(--group-1); background: color-mix(in srgb, var(--group-1) 22%, transparent); }
.rx-hl-g2 { --grp-color: var(--group-2); background: color-mix(in srgb, var(--group-2) 22%, transparent); }
.rx-hl-g3 { --grp-color: var(--group-3); background: color-mix(in srgb, var(--group-3) 22%, transparent); }
.rx-hl-g4 { --grp-color: var(--group-4); background: color-mix(in srgb, var(--group-4) 22%, transparent); }
.rx-hl-g5 { --grp-color: var(--group-5); background: color-mix(in srgb, var(--group-5) 22%, transparent); }
.rx-hl-g6 { --grp-color: var(--group-6); background: color-mix(in srgb, var(--group-6) 22%, transparent); }

.matches-list { list-style: none; margin: 0; padding: 0; max-height: 360px; overflow-y: auto; }

.matches-list-empty { color: var(--text-3); padding: 20px 4px; text-align: center; list-style: none; }

.match-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 8px;
  background: var(--bg-elevated);
}

.match-item-header { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.match-item-index { font-size: 0.72rem; font-weight: 800; color: var(--text-3); flex-shrink: 0; }

.match-item-text {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.86rem;
  color: var(--text-1);
  background: var(--accent-dim);
  padding: 2px 8px;
  border-radius: 6px;
  word-break: break-all;
}

.match-item-pos { font-size: 0.72rem; color: var(--text-3); margin-left: auto; }

.match-groups { margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--border-subtle); display: flex; flex-direction: column; gap: 4px; }

.match-group-row { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; flex-wrap: wrap; }

.match-group-label { color: var(--text-3); font-weight: 600; flex-shrink: 0; }

.match-group-value {
  font-family: "JetBrains Mono", monospace;
  padding: 1px 7px;
  border-radius: 6px;
  background: var(--bg-page);
  word-break: break-all;
}

.match-group-empty { color: var(--text-3); font-style: italic; font-size: 0.78rem; }

/* ---------- Line mode toggle + per-line results ---------- */

.line-mode-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  margin-bottom: 14px;
  user-select: none;
}

.line-mode-toggle input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.line-mode-switch {
  position: relative;
  width: 38px;
  height: 22px;
  border-radius: 999px;
  background: var(--toolbar-btn-bg);
  border: 1px solid var(--border);
  transition: background 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

.line-mode-switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-3);
  transition: transform 0.15s, background 0.15s;
}

.line-mode-toggle input:checked + .line-mode-switch {
  background: var(--accent-dim);
  border-color: var(--accent);
}

.line-mode-toggle input:checked + .line-mode-switch::after {
  transform: translateX(16px);
  background: var(--accent);
}

.line-mode-toggle input:focus-visible + .line-mode-switch {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.line-mode-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-2);
}

.line-mode-hint {
  color: var(--text-3);
  font-size: 0.85rem;
}

.line-mode-summary {
  font-size: 0.85rem;
  color: var(--text-2);
  margin: 0 0 12px;
  font-weight: 600;
}

.line-check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 480px;
  overflow-y: auto;
}

.line-check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  background: var(--bg-elevated);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
}

.line-check-row.is-match { border-left-color: var(--success); }
.line-check-row.is-no-match { border-left-color: var(--danger); opacity: 0.82; }

.line-check-status { flex-shrink: 0; width: 16px; text-align: center; }
.line-check-row.is-match .line-check-status { color: var(--success); }
.line-check-row.is-no-match .line-check-status { color: var(--danger); }

.line-check-number { flex-shrink: 0; color: var(--text-3); font-size: 0.72rem; min-width: 24px; text-align: right; }
.line-check-text { flex: 1; word-break: break-word; color: var(--text-1); }
.line-check-empty { color: var(--text-3); font-family: "Inter", sans-serif; font-style: italic; }

/* ---------- Explain tab ---------- */

.explain-section-label {
  color: var(--text-3);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin: 16px 0 8px;
}
.explain-section-label:first-child { margin-top: 0; }

.explain-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-subtle);
}
.explain-row:last-child { border-bottom: none; }

.explain-token {
  flex-shrink: 0;
  min-width: 64px;
  text-align: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  color: var(--accent-ink);
  word-break: break-all;
}

.explain-token-anchor { color: var(--group-2); }
.explain-token-quantifier { color: var(--group-3); }
.explain-token-group { color: var(--group-1); }
.explain-token-lookaround { color: var(--group-5); }
.explain-token-backreference { color: var(--group-6); }
.explain-token-literal { color: var(--text-2); }

.explain-desc { color: var(--text-2); font-size: 0.88rem; line-height: 1.5; padding-top: 3px; }

/* ---------- Lint tab ---------- */

.lint-clean { color: var(--success); font-weight: 600; }

.lint-finding {
  border: 1px solid var(--border);
  border-left: 4px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 10px;
  background: var(--bg-elevated);
}

.lint-finding.lint-error { border-left-color: var(--danger); }
.lint-finding.lint-warning { border-left-color: var(--warning); }
.lint-finding.lint-info { border-left-color: var(--info); }

.lint-finding-header { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }

.lint-severity-badge {
  font-size: 0.64rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 999px;
}
.lint-severity-badge.lint-error { background: var(--danger-dim); color: var(--danger); }
.lint-severity-badge.lint-warning { background: var(--warning-dim); color: var(--warning); }
.lint-severity-badge.lint-info { background: var(--info-dim); color: var(--info); }

.lint-message { color: var(--text-2); font-size: 0.86rem; margin: 4px 0 8px; }

/* ---------- Code export tab ---------- */

.code-lang-block {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 14px;
  overflow: hidden;
}

.code-lang-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.code-lang-pre {
  margin: 0;
  padding: 14px;
  background: var(--input-bg);
  overflow-x: auto;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  color: var(--text-1);
  line-height: 1.6;
}

/* ---------- Generate-from-examples tab ---------- */

.generate-output { margin-top: 18px; }

.generate-error {
  color: var(--danger);
  background: var(--danger-dim);
  border: 1px solid var(--danger);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.86rem;
}

.generate-result-pattern {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 12px;
}

.generate-result-pattern code {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  color: var(--accent-ink);
  flex: 1;
  word-break: break-all;
}

.generate-strategy-badge {
  font-size: 0.66rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--group-7);
  color: #1a0e04;
  flex-shrink: 0;
}

.generate-explanation {
  color: var(--text-2);
  font-size: 0.84rem;
  margin: 0 0 14px;
}

.generate-validation-lists {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.generate-validation-group h5 {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-3);
  margin: 0 0 8px;
}

.generate-check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  padding: 5px 0;
  color: var(--text-1);
}

.generate-check-row.is-ok i { color: var(--success); }
.generate-check-row.is-bad i { color: var(--danger); }

/* ---------- Common patterns tab ---------- */

.common-patterns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.common-pattern-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
  background: var(--bg-elevated);
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}

.common-pattern-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.common-pattern-card h4 { font-size: 0.95rem; font-weight: 800; margin: 0 0 6px; color: var(--text-1); }
.common-pattern-card p { font-size: 0.82rem; margin: 0 0 10px; color: var(--text-2); }

.common-pattern-code {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.76rem;
  color: var(--accent-ink);
  background: var(--bg-page);
  border-radius: 6px;
  padding: 6px 8px;
  margin-bottom: 8px;
  word-break: break-all;
}

.common-pattern-load { font-size: 0.76rem; font-weight: 700; color: var(--accent-ink); }

/* ---------- Cheat sheet tab ---------- */

.cheatsheet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.cheatsheet-group h4 {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-3);
  margin: 0 0 10px;
}

.cheatsheet-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.85rem;
}
.cheatsheet-row:last-child { border-bottom: none; }

.cheatsheet-row code {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 7px;
  font-family: "JetBrains Mono", monospace;
  color: var(--accent-ink);
  flex-shrink: 0;
}

.cheatsheet-row span { color: var(--text-2); }

.tab-empty-hint { color: var(--text-3); text-align: center; padding: 40px 20px; }

/* ---------- Recent activity ---------- */

.history-list { list-style: none; margin: 0; padding: 0; max-height: 360px; overflow-y: auto; }

.history-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
}
.history-item:hover { background: var(--accent-dim); border-radius: 8px; }
.history-item:last-child { border-bottom: none; }

.history-tool-badge {
  flex-shrink: 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent-ink);
  white-space: nowrap;
}

.history-text { min-width: 0; overflow: hidden; }

.history-io {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.history-time { font-size: 0.7rem; color: var(--text-3); }
.history-empty { text-align: center; color: var(--text-3); padding: 32px 12px; list-style: none; }

/* ---------- Modals ---------- */

.modal-content.app-modal {
  background: var(--modal-bg);
  color: var(--text-1);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.app-modal .modal-header {
  background: var(--modal-hdr-bg);
  border-bottom: 1px solid var(--border);
  border-radius: 14px 14px 0 0;
}
.app-modal .modal-title { font-weight: 800; }
.app-modal .modal-footer { border-top: 1px solid var(--border); }
.app-modal .btn-close,
.app-offcanvas .btn-close { filter: none; opacity: 0.7; }
body:not(.theme-light) .app-modal .btn-close,
body:not(.theme-light) .app-offcanvas .btn-close { filter: invert(1) grayscale(1); }

.about-feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin: 16px 0;
}
.about-feature-list li {
  list-style: none;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.85rem;
  color: var(--text-2);
}
.about-feature-list li i { color: var(--accent-ink); margin-right: 8px; }

.faq-accordion .accordion-item { background: var(--bg-page); border: 1px solid var(--border); }
.faq-accordion .accordion-button { background: var(--bg-page); color: var(--text-1); font-weight: 700; font-size: 0.92rem; }
.faq-accordion .accordion-button:not(.collapsed) { background: var(--accent-dim); color: var(--accent-ink); }
.faq-accordion .accordion-button:focus { box-shadow: 0 0 0 3px var(--accent-dim); }
.faq-accordion .accordion-body { color: var(--text-2); font-size: 0.88rem; }

/* ---------- Toasts ---------- */

.toast-container { max-width: min(380px, calc(100vw - 24px)); }

.toast.app-toast { border: 1px solid var(--border); border-radius: 12px; max-height: 220px; box-shadow: var(--shadow-lg); }
.app-toast .toast-body {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  max-height: 220px;
  overflow-y: auto;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.app-toast .toast-close-btn { flex-shrink: 0; }
.app-toast.text-bg-warning { background: var(--warning) !important; color: #171a20 !important; }
.app-toast.text-bg-success { background: var(--success) !important; color: #0c1f14 !important; }
.app-toast.text-bg-danger  { background: var(--danger) !important;  color: #fff !important; }
.app-toast.text-bg-info    { background: var(--info) !important;    color: #071824 !important; }

/* ---------- Tooltips ---------- */

.tooltip .tooltip-inner { background: var(--bg-elevated); color: var(--text-1); border: 1px solid var(--border); font-size: 0.78rem; }
.custom-tooltip .tooltip-arrow::before { border-top-color: var(--bg-elevated); }

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

@media (max-width: 576px) {
  .page-shell { padding-top: 84px; }
  .tool-card { padding: 16px; }
  .tool-tab { padding: 9px 12px; font-size: 0.8rem; }
  .pattern-input { font-size: 0.95rem; min-width: 100px; }
  .flag-chip { width: 26px; height: 26px; font-size: 0.76rem; }
  .common-patterns-grid { grid-template-columns: 1fr; }
  .cheatsheet-grid { grid-template-columns: 1fr; }
}