/* ============================================================
   Florida Judgment Interest Calculator — Stylesheet
   Design: Professional legal/financial app
   Palette: Deep navy + gold accent on warm off-white
   ============================================================ */

/* ─── Design Tokens ─────────────────────────────────────────── */
:root,
[data-theme='light'] {
  --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, 3rem);

  --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;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1.25rem;

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Light palette — deep navy / gold */
  --color-bg: #f5f5f0;
  --color-surface: #ffffff;
  --color-surface-2: #f8f8f4;
  --color-surface-offset: #eff0eb;
  --color-border: #ddddd6;
  --color-divider: #e4e4de;

  --color-text: #1a1a1a;
  --color-text-muted: #6b6b6b;
  --color-text-faint: #aaa;
  --color-text-inverse: #ffffff;

  /* Primary: Florida Navy */
  --color-primary: #1b4f72;
  --color-primary-hover: #154460;
  --color-primary-active: #0e3449;
  --color-primary-highlight: #d0dde8;
  --color-primary-rgb: 27, 79, 114;

  /* Accent: Gold */
  --color-accent: #c9922b;
  --color-accent-hover: #b07820;
  --color-accent-highlight: #fdf2e0;

  /* Semantic */
  --color-success: #2e7d32;
  --color-success-bg: #e8f5e9;
  --color-error: #c62828;
  --color-error-bg: #ffebee;
  --color-warning: #e65100;
  --color-warning-bg: #fff3e0;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);

  --content-default: 1160px;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
}

[data-theme='dark'] {
  --color-bg: #111318;
  --color-surface: #181c22;
  --color-surface-2: #1e232b;
  --color-surface-offset: #1a1f27;
  --color-border: #2e3440;
  --color-divider: #272d38;

  --color-text: #e2e4e9;
  --color-text-muted: #8a8f9b;
  --color-text-faint: #4d5260;
  --color-text-inverse: #111318;

  --color-primary: #5294c8;
  --color-primary-hover: #3a80b8;
  --color-primary-active: #266599;
  --color-primary-highlight: #1e2f3e;
  --color-primary-rgb: 82, 148, 200;

  --color-accent: #e8b04a;
  --color-accent-hover: #d4943a;
  --color-accent-highlight: #2b2415;

  --color-success: #66bb6a;
  --color-success-bg: #1a2e1a;
  --color-error: #ef5350;
  --color-error-bg: #2a1818;
  --color-warning: #ffa726;
  --color-warning-bg: #2a2010;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #111318;
    --color-surface: #181c22;
    --color-surface-2: #1e232b;
    --color-surface-offset: #1a1f27;
    --color-border: #2e3440;
    --color-divider: #272d38;
    --color-text: #e2e4e9;
    --color-text-muted: #8a8f9b;
    --color-text-faint: #4d5260;
    --color-text-inverse: #111318;
    --color-primary: #5294c8;
    --color-primary-hover: #3a80b8;
    --color-primary-active: #266599;
    --color-primary-highlight: #1e2f3e;
    --color-primary-rgb: 82, 148, 200;
    --color-accent: #e8b04a;
    --color-accent-hover: #d4943a;
    --color-accent-highlight: #2b2415;
    --color-success: #66bb6a;
    --color-success-bg: #1a2e1a;
    --color-error: #ef5350;
    --color-error-bg: #2a1818;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  }
}

/* ─── Base Reset ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}
img, svg { display: block; max-width: 100%; }
h1,h2,h3,h4 { text-wrap: balance; line-height: 1.15; }
p, li { text-wrap: pretty; }
input, button, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: var(--color-primary); }
a:hover { color: var(--color-primary-hover); }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
::selection { background: rgba(var(--color-primary-rgb), 0.18); }

/* ─── Layout ────────────────────────────────────────────────── */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-10));
}
.hidden { display: none !important; }

/* ─── Header ────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}
.logo svg { flex-shrink: 0; }
.logo-text {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
}
.logo-text strong { font-weight: 700; color: var(--color-primary); }
.header-nav {
  display: flex;
  gap: var(--space-6);
  margin-left: auto;
}
.header-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.header-nav a:hover { color: var(--color-primary); }
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover { background: var(--color-surface-offset); color: var(--color-text); }

/* ─── Hero ──────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0d3252 100%);
  color: white;
  padding-block: clamp(var(--space-12), 8vw, 80px);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content { position: relative; max-width: 720px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.9);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-5);
  line-height: 1.1;
}
.hero-accent { color: #f0c56b; }
.hero-desc {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.82);
  max-width: 60ch;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: var(--text-lg);
  font-weight: 700;
  color: #f0c56b;
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.2);
}

/* ─── Calculator Section ────────────────────────────────────── */
.calculator-section {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
}
.calculator-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--space-8);
  align-items: start;
}
@media (max-width: 900px) {
  .calculator-layout { grid-template-columns: 1fr; }
}

/* ─── Card ──────────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}
.card-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}

/* ─── Form ──────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  gap: var(--space-5);
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.input-prefix {
  position: absolute;
  left: var(--space-3);
  color: var(--color-text-muted);
  font-weight: 500;
  pointer-events: none;
  user-select: none;
}
.input-wrap input { padding-left: var(--space-8); }

input[type="text"],
input[type="date"],
input[type="search"],
select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}
input:hover, select:hover { border-color: var(--color-primary); }
input:focus-visible, select:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
  outline: none;
}
select {
  background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b6b6b' stroke-width='2' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
}
.input-error {
  border-color: var(--color-error) !important;
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.12) !important;
}
.error-msg {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
}
.global-error {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.form-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  margin-top: var(--space-5);
  line-height: 1.5;
}
.form-note svg { flex-shrink: 0; margin-top: 2px; }

.form-actions {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: 0 2px 8px rgba(var(--color-primary-rgb), 0.3);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 16px rgba(var(--color-primary-rgb), 0.35);
}
.btn-primary:active { background: var(--color-primary-active); }

.btn-lg { padding: var(--space-4) var(--space-6); font-size: var(--text-base); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1.5px solid var(--color-border);
}
.btn-ghost:hover { background: var(--color-surface-offset); color: var(--color-text); }

.btn-export {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-pdf {
  background: var(--color-error-bg);
  color: #b71c1c;
  border: 1px solid rgba(198,40,40,0.2);
}
.btn-pdf:hover { background: #ffcdd2; }
[data-theme='dark'] .btn-pdf { color: #ef9a9a; border-color: rgba(239,83,80,0.3); }

.btn-excel {
  background: var(--color-success-bg);
  color: #1b5e20;
  border: 1px solid rgba(46,125,50,0.2);
}
.btn-excel:hover { background: #c8e6c9; }
[data-theme='dark'] .btn-excel { color: #a5d6a7; border-color: rgba(102,187,106,0.3); }

/* ─── Results Panel ─────────────────────────────────────────── */
.results-panel {
  min-height: 320px;
}
.results-empty {
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-12) var(--space-8);
  color: var(--color-text-muted);
  text-align: center;
  min-height: 280px;
}
.results-empty svg { opacity: 0.35; }
.results-empty p { font-size: var(--text-sm); max-width: 32ch; line-height: 1.6; }

/* Summary cards */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
@media (max-width: 640px) {
  .summary-cards { grid-template-columns: repeat(2, 1fr); }
}
.summary-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  box-shadow: var(--shadow-sm);
}
.summary-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}
.summary-val {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}
.summary-val-large { font-size: var(--text-lg); color: var(--color-primary); }
.summary-interest .summary-val { color: var(--color-accent); }
.summary-total { border-color: var(--color-primary); background: var(--color-primary-highlight); }
.summary-total .summary-label { color: var(--color-primary); }

/* Export bar */
.export-bar {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

/* ─── Breakdown Table ───────────────────────────────────────── */
.breakdown-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.breakdown-table,
.rates-table {
  width: 100%;
  font-size: var(--text-xs);
  background: var(--color-surface);
}
.breakdown-table th,
.rates-table th {
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-3) var(--space-4);
  text-align: left;
  white-space: nowrap;
}
.breakdown-table td,
.rates-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  vertical-align: middle;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.breakdown-table tr:last-child td,
.rates-table tr:last-child td { border-bottom: none; }
.breakdown-table tbody tr:nth-child(even),
.rates-table tbody tr:nth-child(even) { background: var(--color-surface-2); }
.breakdown-table tbody tr:hover,
.rates-table tbody tr:hover { background: var(--color-primary-highlight); }
.period-cell { min-width: 200px; white-space: nowrap; }
.amount-cell { text-align: right; font-weight: 500; }
.total-cell { color: var(--color-primary); font-weight: 700; }
.rate-pct { color: var(--color-accent); font-weight: 700; }
.totals-row td {
  background: var(--color-primary-highlight) !important;
  border-top: 2px solid var(--color-primary);
  font-weight: 700;
  color: var(--color-primary);
}

/* ─── Rate Table Section ────────────────────────────────────── */
.rates-section {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.section-header {
  margin-bottom: var(--space-8);
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.section-header p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.rates-filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.rate-search-input {
  max-width: 300px;
}
.filter-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  user-select: none;
}
.filter-label input { width: auto; }

.badge-current {
  display: inline-flex;
  align-items: center;
  background: var(--color-success-bg);
  color: var(--color-success);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

/* ─── About Section ─────────────────────────────────────────── */
.about-section {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-12);
  align-items: start;
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
}
.about-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}
.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  font-size: var(--text-base);
  line-height: 1.7;
}
.about-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-6);
}
.step {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}
.step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  font-weight: 700;
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-text { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; padding-top: 5px; }

.about-callout {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}
.callout-icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}
.about-callout h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.about-callout p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}
.callout-cite {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-style: italic;
  margin-bottom: 0 !important;
}

/* ─── Footer ────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-6);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
}
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 600px) {
  .header-nav { display: none; }
  .hero h1 { font-size: clamp(1.6rem, 7vw, 2.5rem); }
  .summary-cards { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

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

/* ─── Tree Breakdown ──────────────────────────────────────── */
.export-controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.export-bar { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.tree-controls { display: flex; gap: var(--space-2); }
.btn-tree-ctrl {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border: 1px solid var(--color-primary-highlight);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
}
.btn-tree-ctrl:hover { background: var(--color-primary); color: white; }

/* date-range banner */
.date-range-banner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-5);
}

/* Breakdown header labels */
.breakdown-header {
  margin-bottom: var(--space-2);
}
.breakdown-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.breakdown-col-headers {
  display: grid;
  grid-template-columns: 1fr 60px 110px;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}
.bch-days, .bch-amount { text-align: right; }

/* Tree wrapper */
.breakdown-tree-wrap {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

/* Shared tree row */
.tree-row {
  display: grid;
  grid-template-columns: 24px 1fr 60px 110px;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  transition: background var(--transition);
}
.tree-row:last-child { border-bottom: none; }

/* Year rows */
.tree-year-row {
  background: var(--color-primary-highlight);
  cursor: pointer;
  font-weight: 700;
  color: var(--color-primary);
}
.tree-year-row:hover { background: color-mix(in srgb, var(--color-primary) 18%, transparent); }

/* Quarter rows */
.tree-q-row {
  background: var(--color-surface-2);
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  padding-left: calc(var(--space-4) + 16px);
}
.tree-q-row:hover { background: var(--color-surface-offset); }

/* Month rows */
.tree-month-row {
  background: var(--color-surface);
  padding-left: calc(var(--space-4) + 32px);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Totals row */
.tree-totals-row {
  background: var(--color-primary-highlight) !important;
  border-top: 2px solid var(--color-primary);
  font-weight: 700;
  color: var(--color-primary);
}

/* Toggle icon */
.tree-toggle-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
}
.tree-toggle-icon svg { transition: transform 0.2s ease; }

/* Label / days / amount columns */
.tree-label { font-variant-numeric: tabular-nums; line-height: 1.4; }
.tree-days {
  text-align: right;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}
.tree-amount {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.tree-year-row .tree-amount { color: var(--color-primary); }
.tree-totals-row .tree-amount { font-size: var(--text-base); }

/* Rate chip inside month row */
.tree-rate-chip {
  display: inline-block;
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

/* Children collapse/expand */
.tree-children { display: none; }
.tree-children.open { display: block; }

/* ─── Section helpers ─────────────────────────────────────── */
.section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  line-height: 1.15;
}
.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 64ch;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

/* ─── Hero button ─────────────────────────────────────────── */
.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  background: #f0c56b;
  color: #1a1a1a;
  font-weight: 700;
  font-size: var(--text-base);
  border-radius: var(--radius-full);
  text-decoration: none;
  margin-top: var(--space-6);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(240,197,107,0.35);
}
.btn-hero:hover {
  background: #f5d080;
  color: #1a1a1a;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(240,197,107,0.45);
}

/* ─── Calculator section ──────────────────────────────────── */
.calculator-section {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
}
.calculator-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: var(--space-8);
  align-items: start;
}
@media (max-width: 920px) {
  .calculator-layout { grid-template-columns: 1fr; }
}
.field-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.4;
}
.empty-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: -var(--space-2);
}

/* ─── About / How It Works ─────────────────────────────────── */
.about-section {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-border);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-12);
  align-items: start;
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
}
.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  font-size: var(--text-base);
  line-height: 1.75;
}
.about-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-6);
  margin-bottom: var(--space-6);
}
.step {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.step-num {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  font-weight: 700;
  font-size: var(--text-xs);
  display: flex; align-items: center; justify-content: center;
}
.step-body { display: flex; flex-direction: column; gap: 3px; padding-top: 4px; }
.step-body strong { font-size: var(--text-sm); color: var(--color-text); }
.step-body span { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }

.formula-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  margin-top: var(--space-4);
}
.formula-title { font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--color-text-muted); margin-bottom: var(--space-2); }
.formula { font-family: 'Courier New', monospace; font-size: var(--text-sm); color: var(--color-primary); font-weight: 700; }
.formula-note { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-2); }

/* Sidebar */
.about-sidebar { display: flex; flex-direction: column; gap: var(--space-5); }
.callout-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.callout-icon {
  width: 50px; height: 50px;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-4);
}
.callout-card h3 { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-3); }
.callout-card p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; margin-bottom: var(--space-3); }
.callout-fine { font-size: var(--text-xs) !important; color: var(--color-text-faint) !important; font-style: italic; margin-bottom: 0 !important; }

.feature-cards { display: flex; flex-direction: column; gap: var(--space-3); }
.feature-card {
  display: flex; gap: var(--space-3); align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}
.feature-card svg { flex-shrink: 0; color: var(--color-primary); margin-top: 3px; }
.feature-card div { display: flex; flex-direction: column; gap: 2px; }
.feature-card strong { font-size: var(--text-sm); color: var(--color-text); }
.feature-card span { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.5; }

/* ─── Rate search wrap ────────────────────────────────────── */
.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.search-wrap svg {
  position: absolute;
  left: var(--space-3);
  color: var(--color-text-muted);
  pointer-events: none;
}
.rate-search-input { padding-left: calc(var(--space-3) * 2 + 15px); max-width: 280px; }

/* ─── Live Rates Status Bar ────────────────────────────────── */
.rates-status-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2) 0;
}
.rates-status-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.rates-status-indicator {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-text-faint);
  flex-shrink: 0;
  transition: background 0.4s;
}
.rates-status-indicator.live  { background: var(--color-success); box-shadow: 0 0 0 3px var(--color-success-bg); }
.rates-status-indicator.error { background: var(--color-warning); }
.rates-source-link {
  display: inline-flex; align-items: center; gap: 4px;
  margin-left: auto;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}
.rates-source-link:hover { text-decoration: underline; }

/* ─── Contractual Section ──────────────────────────────────── */
.contractual-section {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}
.btn-contractual {
  background: #5e3d8f;
  box-shadow: 0 2px 8px rgba(94,61,143,0.3);
}
.btn-contractual:hover {
  background: #4a2f72;
  box-shadow: 0 4px 16px rgba(94,61,143,0.4);
}
.input-suffix {
  position: absolute;
  right: var(--space-3);
  color: var(--color-text-muted);
  font-weight: 500;
  pointer-events: none;
  user-select: none;
}