/* =========================================================
   EE Word Counter — rules-aware IB Extended Essay counter
   Art direction: academic paper, ink-blue accent, quiet type
   WCAG 2.2 Level AA
   ========================================================= */

:root,
[data-theme='light'] {
  /* Type scale (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Surfaces — soft paper */
  --color-bg: #f7f5ef;
  --color-surface: #fbf9f3;
  --color-surface-2: #ffffff;
  --color-surface-offset: #efece3;
  --color-divider: #d9d4c6;
  --color-border: #c5bfae;

  /* Text — warm ink */
  --color-text: #1d1c18;
  --color-text-muted: #5b574e;          /* 7.0 : 1 on bg, passes AA */
  --color-text-faint: #8a8576;          /* for non-essential chrome */
  --color-text-inverse: #faf8f2;

  /* Accent — ink blue (academic, not AI) */
  --color-primary: #1a3a6c;
  --color-primary-hover: #122a52;
  --color-primary-active: #0c1d3a;
  --color-primary-highlight: #d7deeb;

  /* Status */
  --color-success: #2f6e2b;             /* under-cap */
  --color-success-bg: #dfe9d8;
  --color-warning: #8a4a14;             /* approaching */
  --color-warning-bg: #f1e2cd;
  --color-error: #a3231d;               /* over-cap */
  --color-error-bg: #f0d4d1;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows — warm-toned */
  --shadow-sm: 0 1px 2px rgba(46, 38, 20, 0.06);
  --shadow-md: 0 4px 14px rgba(46, 38, 20, 0.09);
  --shadow-lg: 0 18px 40px rgba(46, 38, 20, 0.12);

  /* Motion */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --content-narrow: 720px;
  --content-default: 1120px;
  --content-wide: 1320px;

  /* Fonts */
  --font-display: 'Source Serif 4', 'Source Serif Pro', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

[data-theme='dark'] {
  --color-bg: #141312;
  --color-surface: #1b1a18;
  --color-surface-2: #22201d;
  --color-surface-offset: #1a1917;
  --color-divider: #302e2a;
  --color-border: #423f3a;
  --color-text: #ebe8df;
  --color-text-muted: #b4aea0;          /* 7.2 : 1 on bg */
  --color-text-faint: #837e73;
  --color-text-inverse: #1a1917;
  --color-primary: #89a6d9;              /* lightened for dark-mode AA */
  --color-primary-hover: #a9bee5;
  --color-primary-active: #c2d1ec;
  --color-primary-highlight: #2a344a;
  --color-success: #7fb36d;
  --color-success-bg: #263a22;
  --color-warning: #d29358;
  --color-warning-bg: #3b2a17;
  --color-error: #e07a72;
  --color-error-bg: #3d1f1c;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #141312;
    --color-surface: #1b1a18;
    --color-surface-2: #22201d;
    --color-surface-offset: #1a1917;
    --color-divider: #302e2a;
    --color-border: #423f3a;
    --color-text: #ebe8df;
    --color-text-muted: #b4aea0;
    --color-text-faint: #837e73;
    --color-text-inverse: #1a1917;
    --color-primary: #89a6d9;
    --color-primary-hover: #a9bee5;
    --color-primary-active: #c2d1ec;
    --color-primary-highlight: #2a344a;
    --color-success: #7fb36d;
    --color-success-bg: #263a22;
    --color-warning: #d29358;
    --color-warning-bg: #3b2a17;
    --color-error: #e07a72;
    --color-error-bg: #3d1f1c;
  }
}

/* =========================================================
   Base
   ========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  background-image:
    radial-gradient(ellipse at top left, rgba(26, 58, 108, 0.035), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(138, 74, 20, 0.025), transparent 55%);
  background-attachment: fixed;
}
img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
p {
  text-wrap: pretty;
}
button {
  cursor: pointer;
  background: none;
  border: none;
}
a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover {
  color: var(--color-primary-hover);
}
::selection {
  background: var(--color-primary-highlight);
  color: var(--color-text);
}
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
@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;
  }
}

/* Transitions for interactive elements only */
a,
button,
[role='button'],
input,
textarea,
select {
  transition:
    color var(--transition-interactive),
    background-color var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

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

/* Skip link — WCAG 2.2 SC 2.4.1 */
.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  z-index: 100;
  transform: translateY(-200%);
}
.skip-link:focus {
  transform: translateY(0);
  color: var(--color-text-inverse);
}

/* =========================================================
   Layout
   ========================================================= */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-10));
}

.site-header {
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  background: color-mix(in oklab, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 40;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.brand__mark {
  color: var(--color-primary);
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}
.brand__tag {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-left: 1px solid var(--color-divider);
  padding-left: var(--space-3);
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.icon-button {
  inline-size: 44px;
  block-size: 44px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border: 1px solid transparent;
}
.icon-button:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}
.icon-button:focus-visible {
  border-color: var(--color-primary);
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  padding-block: clamp(var(--space-10), 7vw, var(--space-20));
  border-bottom: 1px solid var(--color-divider);
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.hero__eyebrow::before {
  content: '';
  inline-size: var(--space-6);
  block-size: 1px;
  background: currentColor;
}
.hero__title {
  font-size: var(--text-2xl);
  max-width: 22ch;
  margin-bottom: var(--space-5);
}
.hero__lede {
  font-size: var(--text-lg);
  max-width: 60ch;
  color: var(--color-text-muted);
  line-height: 1.55;
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-top: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.hero__meta strong {
  color: var(--color-text);
  font-weight: 600;
}

/* =========================================================
   App shell — two-column counter
   ========================================================= */
.counter {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
}
.counter__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 960px) {
  .counter__grid {
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: var(--space-8);
    align-items: start;
  }
}

/* ---- Mode switcher ---- */
.tablist {
  display: inline-flex;
  gap: var(--space-1);
  padding: var(--space-1);
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-divider);
}
.tablist [role='tab'] {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  min-block-size: 44px;
}
.tablist [role='tab'][aria-selected='true'] {
  background: var(--color-surface-2);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}
.tablist [role='tab']:hover:not([aria-selected='true']) {
  color: var(--color-text);
}

/* ---- Input card ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.card + .card {
  margin-top: var(--space-5);
}
.card__title {
  font-size: var(--text-lg);
  font-family: var(--font-display);
  margin-bottom: var(--space-3);
}
.card__desc {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-5);
  max-width: 58ch;
}

.textarea-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.textarea-hint {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.textarea {
  inline-size: 100%;
  min-block-size: 320px;
  resize: vertical;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
}
.textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-color: var(--color-primary);
}

/* ---- Dropzone ---- */
.dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-6);
  text-align: center;
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  transition: border-color var(--transition-interactive), background-color var(--transition-interactive);
}
.dropzone--active {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
  color: var(--color-text);
}
.dropzone__icon {
  margin: 0 auto var(--space-3);
  color: var(--color-primary);
}
.dropzone__primary {
  font-weight: 600;
  color: var(--color-text);
  font-size: var(--text-base);
  display: block;
  margin-bottom: var(--space-1);
}
.dropzone__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}
.dropzone__status {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  min-block-size: 1.2em;
}

/* ---- Toggle pane ---- */
.fieldset {
  border: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
@media (min-width: 520px) {
  .fieldset {
    grid-template-columns: 1fr 1fr;
  }
}
.fieldset legend {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.toggle {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  min-block-size: 44px;
  cursor: pointer;
  transition: border-color var(--transition-interactive), background-color var(--transition-interactive);
}
.toggle:hover {
  border-color: var(--color-border);
  background: var(--color-surface-offset);
}
.toggle input {
  margin-top: 2px;
  inline-size: 18px;
  block-size: 18px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
  cursor: pointer;
}
.toggle__label {
  font-size: var(--text-sm);
  font-weight: 500;
  display: block;
  line-height: 1.3;
}
.toggle__hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: block;
  margin-top: var(--space-1);
  line-height: 1.4;
}

/* ---- Side panel — live counter ---- */
.panel {
  position: sticky;
  top: calc(var(--space-16) + var(--space-4));
  display: grid;
  gap: var(--space-5);
}
@media (max-width: 959px) {
  .panel {
    position: static;
  }
}

.counter-readout {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}
.counter-readout__status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}
.counter-readout__status--ok {
  background: var(--color-success-bg);
  color: var(--color-success);
}
.counter-readout__status--warn {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}
.counter-readout__status--over {
  background: var(--color-error-bg);
  color: var(--color-error);
}
.counter-readout__status .dot {
  inline-size: 8px;
  block-size: 8px;
  border-radius: var(--radius-full);
  background: currentColor;
}

.counter-readout__big {
  font-family: var(--font-display);
  font-size: clamp(3rem, 1rem + 6vw, 5rem);
  line-height: 1;
  font-weight: 500;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}
.counter-readout__of {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
  font-variant-numeric: tabular-nums;
}
.counter-readout__bar {
  margin-top: var(--space-4);
  block-size: 6px;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  overflow: hidden;
  position: relative;
}
.counter-readout__fill {
  block-size: 100%;
  inline-size: 0%;
  background: var(--color-success);
  transition: inline-size 280ms cubic-bezier(0.16, 1, 0.3, 1), background-color 200ms;
}
.counter-readout__fill--warn {
  background: var(--color-warning);
}
.counter-readout__fill--over {
  background: var(--color-error);
}
.counter-readout__delta {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}
.counter-readout__delta strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Breakdown list */
.breakdown {
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.breakdown h3 {
  font-size: var(--text-sm);
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.breakdown dl {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}
.breakdown dt {
  color: var(--color-text);
}
.breakdown dt small {
  display: block;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  margin-top: 2px;
}
.breakdown dd {
  color: var(--color-text);
  font-weight: 600;
  text-align: right;
}
.breakdown dd.excluded {
  color: var(--color-text-muted);
  font-weight: 400;
  text-decoration: line-through;
  text-decoration-color: var(--color-text-faint);
}
.breakdown__divider {
  grid-column: 1 / -1;
  block-size: 1px;
  background: var(--color-divider);
  margin-block: var(--space-1);
}
.breakdown__total {
  color: var(--color-text);
  font-weight: 700;
}
.breakdown__total dd {
  color: var(--color-primary);
  font-size: var(--text-base);
}

/* Ratio warning */
.flag {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-warning-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
  border: 1px solid color-mix(in oklab, var(--color-warning) 30%, transparent);
}
.flag[hidden] {
  display: none;
}
.flag svg {
  color: var(--color-warning);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---- Action row ---- */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  min-block-size: 44px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  background: var(--color-surface-offset);
}

/* =========================================================
   Modal (Examiner view, Cut suggestions)
   ========================================================= */
.dialog {
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: 0;
  background: var(--color-surface);
  color: var(--color-text);
  max-inline-size: min(90vw, 820px);
  inline-size: 100%;
  max-block-size: 85vh;
  box-shadow: var(--shadow-lg);
}
.dialog::backdrop {
  background: rgba(20, 19, 18, 0.5);
  backdrop-filter: blur(3px);
}
.dialog__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
  position: sticky;
  top: 0;
  background: var(--color-surface);
  z-index: 1;
}
.dialog__title {
  font-size: var(--text-lg);
}
.dialog__body {
  padding: var(--space-6);
  overflow: auto;
  max-block-size: calc(85vh - 80px);
}
.examiner-view {
  font-family: 'Georgia', 'Source Serif 4', serif;
  line-height: 1.7;
  font-size: var(--text-base);
  white-space: pre-wrap;
  word-wrap: break-word;
}
.examiner-view .cutoff {
  display: block;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 2px dashed var(--color-error);
  color: var(--color-error);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  font-style: italic;
}
.examiner-view .ignored {
  opacity: 0.3;
  text-decoration: line-through;
  text-decoration-color: var(--color-error);
}

.cut-suggestions {
  display: grid;
  gap: var(--space-4);
}
.cut-suggestion {
  padding: var(--space-4);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
}
.cut-suggestion__reason {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.cut-suggestion__text {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-text);
}
.cut-suggestion__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* =========================================================
   Info sections — rules, FAQ, privacy
   ========================================================= */
.rules {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
  background: var(--color-surface-offset);
  border-block: 1px solid var(--color-divider);
}
.rules__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 880px) {
  .rules__grid {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: var(--space-16);
  }
}
.rules__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}
.rules__kicker {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 30ch;
}

.rule-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .rule-pair {
    grid-template-columns: 1fr 1fr;
  }
}
.rule-column h3 {
  font-size: var(--text-xs);
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-divider);
}
.rule-column ul {
  list-style: none;
  display: grid;
  gap: var(--space-3);
}
.rule-column li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.5;
  align-items: flex-start;
}
.rule-column li::before {
  content: '';
  inline-size: 14px;
  block-size: 14px;
  margin-top: 4px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background-size: 12px;
  background-repeat: no-repeat;
  background-position: center;
}
.rule-column--counts li::before {
  background-color: var(--color-success-bg);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232f6e2b' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
}
.rule-column--excluded li::before {
  background-color: var(--color-error-bg);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a3231d' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><line x1='18' y1='6' x2='6' y2='18'/><line x1='6' y1='6' x2='18' y2='18'/></svg>");
}
.rule-source {
  margin-top: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

/* FAQ */
.faq {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
}
.faq__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-8);
  max-width: 28ch;
}
.faq-list {
  display: grid;
  gap: var(--space-1);
  max-width: var(--content-narrow);
  border-top: 1px solid var(--color-divider);
}
details.faq-item {
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-4) 0;
}
details.faq-item > summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  cursor: pointer;
  list-style: none;
  font-size: var(--text-base);
  font-weight: 500;
  padding: var(--space-2) 0;
  min-block-size: 44px;
}
details.faq-item > summary::-webkit-details-marker {
  display: none;
}
details.faq-item > summary::after {
  content: '';
  inline-size: 18px;
  block-size: 18px;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
  transition: transform var(--transition-interactive);
}
details.faq-item[open] > summary::after {
  transform: rotate(180deg);
}
details.faq-item > p,
details.faq-item > div {
  padding: var(--space-3) 0 var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.65;
  max-width: 65ch;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-10);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  background: var(--color-surface-offset);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-6);
}
.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text);
}
.privacy-badge svg {
  color: var(--color-success);
}

/* Utility */
[hidden] {
  display: none !important;
}