/* ==========================================================================
   ToolArc design system
   Mobile-first. Light + dark. WCAG-focused.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Tokens
   -------------------------------------------------------------------------- */
:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #eef0f7;
  --surface-3: #e2e6f2;
  --text: #10162b;
  --text-2: #3d4663;
  --text-3: #5d6685;
  --border: #dfe3f0;
  --border-strong: #c7cde3;
  --primary: #3f3fd9;
  --primary-600: #3434bd;
  --primary-soft: #e8e9fb;
  --on-primary: #ffffff;
  --success: #15803d;
  --success-soft: #dcfce7;
  --warning: #b45309;
  --warning-soft: #fef3c7;
  --danger: #b91c1c;
  --danger-soft: #fee2e2;
  --info: #0369a1;
  --info-soft: #e0f2fe;
  --focus: rgba(63, 63, 217, 0.35);
  --shadow-sm: 0 1px 2px rgba(16, 22, 43, 0.06);
  --shadow: 0 1px 3px rgba(16, 22, 43, 0.08), 0 4px 12px rgba(16, 22, 43, 0.05);
  --shadow-lg: 0 8px 30px rgba(16, 22, 43, 0.12);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --header-h: 60px;
  --content-w: 1120px;
  --content-narrow: 820px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme='dark'] {
  --bg: #0a0e1c;
  --surface: #111730;
  --surface-2: #1a223f;
  --surface-3: #232c4d;
  --text: #e7eaf6;
  --text-2: #b3badd;
  --text-3: #8b93b8;
  --border: #26304f;
  --border-strong: #36405f;
  --primary: #818cf8;
  --primary-600: #6366f1;
  --primary-soft: #1e2440;
  --on-primary: #0a0e1c;
  --success: #4ade80;
  --success-soft: #0f2b1c;
  --warning: #fbbf24;
  --warning-soft: #32230a;
  --danger: #f87171;
  --danger-soft: #3a1515;
  --info: #38bdf8;
  --info-soft: #0c2333;
  --focus: rgba(129, 140, 248, 0.4);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.35), 0 4px 14px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.45);
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img,
svg,
canvas {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  margin: 0 0 0.5em;
  font-weight: 700;
  color: var(--text);
}

h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.3rem, 3vw, 1.65rem); }
h3 { font-size: 1.1rem; }

p { margin: 0 0 1em; }

a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover { color: var(--primary-600); }

code,
pre {
  font-family: var(--mono);
}

code {
  background: var(--surface-2);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  font-size: 0.9em;
}

pre {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.5;
}

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection {
  background: var(--primary-soft);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--content-w);
  margin: 0 auto;
  padding-inline: 1rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding-inline: 1rem;
}

main {
  min-height: 60vh;
  display: block;
}

.section {
  padding-block: 1.75rem;
}

.section-tight { padding-block: 1rem; }

.sr-only {
  position: absolute !important;
  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;
  left: 0.75rem;
  top: -100px;
  z-index: 100;
  background: var(--primary);
  color: var(--on-primary);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top 0.2s var(--ease);
}

.skip-link:focus-visible {
  top: 0.75rem;
}

/* --------------------------------------------------------------------------
   Header / navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 1rem;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  margin-right: auto;
}

.brand svg { width: 26px; height: 26px; }

.brand .brand-name { letter-spacing: -0.02em; }

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-2);
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}

.main-nav a:hover { color: var(--text); background: var(--surface-2); }

.main-nav a[aria-current='page'] {
  color: var(--primary);
  background: var(--primary-soft);
}

.nav-toggle {
  display: none;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem; /* 44px touch target */
  height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-2);
  cursor: pointer;
  font-size: 1rem;
}

.icon-btn:hover { background: var(--surface-2); color: var(--text); }

[data-theme='dark'] .theme-icon-sun { display: none; }
[data-theme='light'] .theme-icon-moon { display: none; }

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .main-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 1rem 1rem;
    gap: 0.15rem;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.18s var(--ease), transform 0.18s var(--ease), visibility 0.18s;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .main-nav a { padding: 0.8rem 0.75rem; font-size: 1.05rem; }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-block: 2.5rem 1.5rem;
  font-size: 0.95rem;
  color: var(--text-2);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.75rem;
  margin-bottom: 2rem;
}

.footer-grid h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin-bottom: 0.75rem;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.footer-grid a {
  color: var(--text-2);
  text-decoration: none;
}

.footer-grid a:hover { color: var(--text); text-decoration: underline; }

.footer-brand p { margin: 0.5rem 0 0; color: var(--text-3); font-size: 0.9rem; max-width: 34ch; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  color: var(--text-3);
  font-size: 0.85rem;
}

.footer-bottom a { color: var(--text-3); text-decoration: none; margin-right: 1rem; }
.footer-bottom a:hover { color: var(--text); text-decoration: underline; }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  background:
    radial-gradient(60rem 30rem at 85% -10%, color-mix(in srgb, var(--primary) 18%, transparent), transparent 60%),
    radial-gradient(45rem 25rem at 0% 10%, color-mix(in srgb, var(--primary) 10%, transparent), transparent 55%),
    var(--surface);
  border-bottom: 1px solid var(--border);
  padding-block: clamp(2.5rem, 7vw, 4.5rem);
  text-align: center;
}

.hero h1 {
  max-width: 20em;
  margin-inline: auto;
}

.hero .hero-sub {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  color: var(--text-2);
  max-width: 34em;
  margin: 0.25rem auto 1.5rem;
}

.hero-search {
  max-width: 34rem;
  margin: 0 auto;
  position: relative;
}

.hero-search input {
  width: 100%;
  font-size: 1.05rem;
  padding: 0.95rem 3rem 0.95rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-search .search-icon {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  min-height: 2.75rem;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease), color 0.15s var(--ease), box-shadow 0.15s var(--ease);
  user-select: none;
}

.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover:not(:disabled) { background: var(--primary-600); }

.btn-secondary {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-secondary:hover:not(:disabled) { background: var(--surface-2); }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
}

.btn-ghost:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }

.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.btn-danger:hover:not(:disabled) { background: color-mix(in srgb, var(--danger-soft) 80%, var(--danger)); }

.btn-sm { padding: 0.4rem 0.85rem; font-size: 0.875rem; min-height: 2.25rem; }

.btn-block { width: 100%; }

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn .spinner { margin-right: 0.1rem; }

/* --------------------------------------------------------------------------
   Cards & grids
   -------------------------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease), transform 0.15s var(--ease);
}

.tool-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--text);
}

.tool-card .tc-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.65rem;
}

.tool-card .tc-icon svg { width: 22px; height: 22px; }

.tool-card h3 { font-size: 1.02rem; margin-bottom: 0.3rem; }

.tool-card p {
  color: var(--text-2);
  font-size: 0.9rem;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.tool-card .tc-cat {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  color: var(--text-3);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 0.9rem;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  text-decoration: none;
  padding: 1.05rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease), transform 0.15s var(--ease);
}

.category-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--text);
}

.category-card .cc-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.category-card .cc-icon svg { width: 20px; height: 20px; }

.category-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.category-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.category-card .cc-count {
  margin-top: 0.2rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-3);
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.field { margin-bottom: 1rem; }

.field > label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.field-hint {
  font-size: 0.82rem;
  color: var(--text-3);
  margin-top: 0.25rem;
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.65rem 0.8rem;
  font-family: inherit;
  font-size: 1rem; /* >=16px so iOS Safari does not zoom into the field */
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}

.textarea {
  resize: vertical;
  min-height: 8rem;
  line-height: 1.55;
}

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

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

.input[readonly] { background: var(--surface-2); }

.input-number { font-variant-numeric: tabular-nums; }

.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.input-row-3 { grid-template-columns: 1fr 1fr 1fr; }

.input-row-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }

@media (max-width: 640px) {
  .input-row-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .input-row-3 { grid-template-columns: 1fr; }
  .input-row-4 { grid-template-columns: 1fr; }
}

.input-range {
  width: 100%;
  accent-color: var(--primary);
  cursor: pointer;
}

.range {
  width: 100%;
  accent-color: var(--primary);
  cursor: pointer;
}

.checkbox,
.radio {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.92rem;
  cursor: pointer;
  color: var(--text);
}

.checkbox input,
.radio input {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--primary);
  cursor: pointer;
}

.check-group { display: grid; gap: 0.5rem; }

.check {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.92rem;
  cursor: pointer;
  color: var(--text);
}

.check input {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--primary);
  cursor: pointer;
}

.muted { color: var(--text-3); }

.tool-h3 { margin: 1.25rem 0 0.5rem; font-size: 1rem; }

.list { display: grid; gap: 0.5rem; margin: 1rem 0; }

.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--surface-2);
  padding: 0.55rem 0.75rem;
  border-radius: 0.5rem;
  overflow-wrap: anywhere;
}

.list-row code { max-width: 70%; overflow-wrap: anywhere; }

.thumb {
  width: 4rem;
  height: auto;
  border-radius: 0.35rem;
  border: 1px solid var(--border);
}

.preview-row {
  display: flex;
  justify-content: center;
  padding: 0.75rem 0;
}

.preview-row img,
.preview-row canvas {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
}

.preview-row figure { margin: 0; text-align: center; }

.preview-row figcaption { font-size: 0.8rem; color: var(--text-3); margin-top: 0.25rem; }

.btn-file { cursor: pointer; }

.resume-row,
.invoice-item {
  display: grid;
  gap: 0.5rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--border);
}

.resume-row { grid-template-columns: repeat(3, 1fr) auto; }

.resume-row .textarea { grid-column: 1 / -1; }

.invoice-item { grid-template-columns: 2fr 1fr 1fr auto; align-items: start; }

@media (max-width: 640px) {
  .resume-row,
  .invoice-item { grid-template-columns: 1fr; }
}

/* Tabs */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

.tab-btn {
  border: none;
  background: transparent;
  padding: 0.6rem 0.9rem;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab-btn:hover { color: var(--text); }

.tab-btn[aria-selected='true'] {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* --------------------------------------------------------------------------
   Tool shell
   -------------------------------------------------------------------------- */
.tool-shell {
  margin-top: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.tool-shell-inner { padding: 1.25rem; }

.tool-loading {
  padding: 3rem 1.25rem;
  text-align: center;
  color: var(--text-2);
}

.upload-zone {
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 2.25rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease);
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.upload-zone svg {
  width: 2.75rem;
  height: 2.75rem;
  margin: 0 auto 0.6rem;
  color: var(--primary);
}

.upload-zone strong { display: block; margin-bottom: 0.2rem; }

.upload-zone .upload-note {
  font-size: 0.82rem;
  color: var(--text-3);
  margin-top: 0.4rem;
}

.result-panel {
  margin-top: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

/* A button placed straight after the stats (e.g. "Copy sample counts") needs air. */
.stat-grid + .btn { margin-top: 0.75rem; }

.stat {
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
}

.stat .stat-label {
  font-size: 0.78rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat .stat-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
  margin-top: 0.1rem;
  overflow-wrap: anywhere;
}

.stat .stat-sub { font-size: 0.82rem; color: var(--text-3); }

.result-figure {
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.result-text { font-size: 1.05rem; }

.preview-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 640px) {
  .preview-pair { grid-template-columns: 1fr; }
}

.preview-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--surface-2);
}

.preview-frame img {
  width: 100%;
  height: auto;
  object-fit: contain;
  max-height: 320px;
  background: #fff;
}

.preview-frame figcaption {
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text-2);
  border-top: 1px solid var(--border);
  background: var(--surface);
}

/* Progress */
.progress-wrap { margin-top: 1rem; }

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-2);
  margin-bottom: 0.35rem;
}

.progress {
  height: 0.6rem;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
}

.progress > span {
  display: block;
  height: 100%;
  background: var(--primary);
  border-radius: 999px;
  transition: width 0.2s var(--ease);
}

/* --------------------------------------------------------------------------
   Alerts / states
   -------------------------------------------------------------------------- */
.alert {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-size: 0.92rem;
  line-height: 1.5;
  border: 1px solid transparent;
}

.alert svg { flex-shrink: 0; margin-top: 0.1rem; width: 18px; height: 18px; }

.alert-error { background: var(--danger-soft); color: var(--danger); }
.alert-info { background: var(--info-soft); color: var(--info); }
.alert-warning { background: var(--warning-soft); color: var(--warning); }
.alert-success { background: var(--success-soft); color: var(--success); }

.alert h4 { margin: 0 0 0.15rem; font-size: 0.95rem; }

[role='alert'] { margin-top: 1rem; }

.empty-state {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-3);
}

.empty-state svg {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 0.75rem;
  opacity: 0.5;
}

.spinner {
  display: inline-block;
  width: 1.1rem;
  height: 1.1rem;
  border: 2.5px solid color-mix(in srgb, currentColor 30%, transparent);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: -0.2em;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-state {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-2);
}

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
}

.badge-local { background: var(--success-soft); color: var(--success); }
.badge-online { background: var(--info-soft); color: var(--info); }
.badge-warn { background: var(--warning-soft); color: var(--warning); }

/* --------------------------------------------------------------------------
   Breadcrumbs
   -------------------------------------------------------------------------- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-3);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  padding-block: 0.9rem 0.25rem;
  list-style: none;
  margin: 0;
}

.breadcrumb li { display: flex; align-items: center; gap: 0.35rem; }

.breadcrumb a {
  color: var(--text-2);
  text-decoration: none;
}

.breadcrumb a:hover { color: var(--primary); text-decoration: underline; }

.breadcrumb [aria-current='page'] { color: var(--text-3); }

.breadcrumb li + li::before {
  content: '/';
  color: var(--text-3);
  opacity: 0.6;
}

/* --------------------------------------------------------------------------
   Content sections on tool pages
   -------------------------------------------------------------------------- */
.tool-content h2 {
  margin-top: 2.25rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.prose { font-size: 0.98rem; color: var(--text-2); }
.prose { color: var(--text); }

.lead { font-size: 1.05rem; color: var(--text-2); }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0 0 1rem; }

.steps li {
  counter-increment: step;
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.7rem;
}

.steps li::before {
  content: counter(step);
  flex-shrink: 0;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 800;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
}

.example-box {
  background: var(--surface-2);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.85rem 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.94rem;
}

.example-box .example-q { font-weight: 700; margin-bottom: 0.15rem; }

/* FAQ */
.faq details {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.65rem;
  background: var(--surface);
}

.faq summary {
  cursor: pointer;
  padding: 0.9rem 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  list-style-position: inside;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: '+';
  float: right;
  color: var(--text-3);
  font-weight: 700;
  font-size: 1.1rem;
}

.faq details[open] summary::after { content: '−'; }

.faq details > div { padding: 0 1rem 0.9rem; font-size: 0.93rem; color: var(--text-2); }

.faq details[open] { border-color: var(--border-strong); background: color-mix(in srgb, var(--surface) 60%, var(--surface-2)); }

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 540px;
}

.table-wrap th {
  text-align: left;
  padding: 0.65rem 0.85rem;
  background: var(--surface-2);
  color: var(--text-2);
  font-weight: 700;
  white-space: nowrap;
}

.table-wrap td {
  padding: 0.6rem 0.85rem;
  border-top: 1px solid var(--border);
  color: var(--text);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.table-wrap td:last-child {
  text-align: right;
  font-family: var(--mono);
}

/* Repeater rows (add/remove lists) */
.repeater > .repeater-row {
  display: grid;
  grid-template-columns: 1.2fr 0.6fr 0.6fr auto;
  gap: 0.6rem;
  align-items: end;
  margin-bottom: 0.6rem;
}

@media (max-width: 640px) {
  .repeater > .repeater-row {
    grid-template-columns: 1fr 1fr;
  }
  .repeater > .repeater-row .r-name { grid-column: 1 / -1; }
}

.repeater .r-label { font-size: 0.78rem; color: var(--text-3); display: block; margin-bottom: 0.15rem; }

/* --------------------------------------------------------------------------
   Toast
   -------------------------------------------------------------------------- */
.toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translate(-50%, 120%);
  background: var(--text);
  color: var(--bg);
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 90;
  transition: transform 0.25s var(--ease);
  max-width: min(90vw, 24rem);
  text-align: center;
}

.toast.show { transform: translate(-50%, 0); }

/* --------------------------------------------------------------------------
   Ad slots. Only present in the HTML when AdSense is configured. The container
   is always laid out (Google needs a real width to size a responsive unit) but
   has no height, margin or label until Google marks the <ins> as filled, so an
   ad blocker or an unfilled request leaves no gap, box or shifted content.
   -------------------------------------------------------------------------- */
.ad-slot ins.adsbygoogle { display: block; }

.ad-slot:has(ins.adsbygoogle[data-ad-status="filled"]) {
  margin-block: 1.5rem;
  text-align: center;
  overflow: hidden;
}

.ad-slot:has(ins.adsbygoogle[data-ad-status="filled"])::before {
  content: "Advertisement";
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* --------------------------------------------------------------------------
   Misc components
   -------------------------------------------------------------------------- */
.mega-result {
  text-align: center;
  padding: 1.25rem 1rem;
  border-radius: var(--radius);
  background: var(--surface-2);
}

.mega-result .value {
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.mega-result .caption { color: var(--text-2); margin-top: 0.35rem; }

.kbd {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.82rem;
  background: var(--surface);
}

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.segmented button {
  border: 1px solid var(--border-strong);
  background: var(--surface);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
}

.segmented button[aria-pressed='true'] {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--on-primary);
}

.tag-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 0.78rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  text-decoration: none;
}
.tag:hover { color: var(--primary); text-decoration: none; }

.divider { border: 0; border-top: 1px solid var(--border); margin: 1.25rem 0; }

.legal h2 { margin-top: 2rem; }
.legal h3 { margin-top: 1.5rem; }

.notice {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  font-size: 0.9rem;
}

/* Resume preview */
.resume-preview {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: #111827;
  padding: 2rem;
  min-height: 300px;
  font-size: 0.9rem;
}

.resume-preview h1 { color: #111827; }
.resume-preview h2 { color: #111827; font-size: 1.05rem; border-bottom: 2px solid #111827; padding-bottom: 0.2rem; }

/* Invoice preview */
.invoice-preview {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: #111827;
  padding: 2rem;
  min-height: 400px;
  font-size: 0.92rem;
}
.invoice-preview table { width: 100%; border-collapse: collapse; }
.invoice-preview th { text-align: left; border-bottom: 2px solid #111827; padding: 0.4rem 0.5rem; }
.invoice-preview td { border-bottom: 1px solid #d1d5db; padding: 0.4rem 0.5rem; }

/* --------------------------------------------------------------------------
   Page heads, section headings, tool layout
   -------------------------------------------------------------------------- */
.privacy-band {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 0.92rem;
  text-align: center;
}
.privacy-band svg { flex-shrink: 0; color: var(--success); width: 20px; height: 20px; }
.hero-search .search-icon svg { width: 18px; height: 18px; }
.theme-icon-sun svg, .theme-icon-moon svg { width: 20px; height: 20px; }
.nav-toggle svg { width: 22px; height: 22px; }
.cat-page-head .cc-icon svg { width: 1.6rem; height: 1.6rem; }

.page-head { padding: 0.75rem 0 1rem; }
.page-head h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); margin-bottom: 0.35rem; }
.page-head p { color: var(--text-2); max-width: 48em; }

.cat-page-head { display: flex; flex-direction: column; gap: 0.4rem; align-items: flex-start; }
.cat-page-head .cc-icon.large {
  width: 3rem;
  height: 3rem;
  background: var(--primary-soft);
  color: var(--primary);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin: 2.25rem 0 1rem;
}
.section-head h2 { margin: 0; }
.section-link { color: var(--primary); font-size: 0.9rem; font-weight: 600; white-space: nowrap; }
.section-link:hover { text-decoration: underline; }

.cat-section { margin-bottom: 1.5rem; }

.tool-meta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.5rem; }
.badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}
.badge-safe { background: var(--success-soft); color: var(--success); }

.works-note { color: var(--text-2); }

.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}
.tool-main { min-width: 0; }

/* --------------------------------------------------------------------------
   Search results dropdown
   -------------------------------------------------------------------------- */
.search-dropdown {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 30;
  text-align: left;
}
.search-result {
  display: block;
  padding: 0.7rem 1rem;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}
.search-result:last-child { border-bottom: 0; }
.search-result:hover,
.search-result:focus { background: var(--surface-2); }
.search-result strong { display: block; font-size: 0.95rem; color: var(--text); }
.search-result span { font-size: 0.82rem; color: var(--text-2); }
.search-dropdown .search-empty { padding: 0.8rem 1rem; color: var(--text-3); font-size: 0.9rem; }

/* --------------------------------------------------------------------------
   Static + legal pages
   -------------------------------------------------------------------------- */
.static-page { padding-top: 0.5rem; }
.static-section { max-width: 52rem; }
.static-section h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); margin-bottom: 0.6rem; }
.static-section h2 { margin-top: 1.9rem; }
.static-section ul { padding-left: 1.15rem; color: var(--text-2); }
.static-section li { margin-bottom: 0.4rem; }
.error-page { text-align: center; padding: 4rem 1rem; }
.error-page .btn { margin-top: 0.75rem; }

/* --------------------------------------------------------------------------
   Print
   -------------------------------------------------------------------------- */
@media print {
  .site-header,
  .site-footer,
  .breadcrumb,
  .tool-controls,
  .no-print,
  .ad-slot,
  .toast {
    display: none !important;
  }

  body { background: #fff; }

  .container,
  .container-narrow,
  .resume-preview,
  .invoice-preview {
    max-width: 100%;
    padding: 0;
    margin: 0;
    border: none;
    box-shadow: none;
  }

  main { min-height: 0; }
}

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

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
  }
}

@media (forced-colors: active) {
  .tool-card,
  .category-card,
  .btn { border: 1px solid CanvasText; }
}