/* ============================================================
   ChubbyFI — "Private Ledger" design tokens
   Source of truth for color, type, spacing, and the signature
   "ledger" components. The static template (next phase) imports
   this file directly. Fonts are loaded via Google Fonts CDN here
   for speed; the template phase should self-host them instead
   (see brand-guidelines.md → "Fonts / self-hosting note").
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400..700&family=Fraunces:ital,opsz,wght@1,9..144,400..600&family=Newsreader:ital,wght@0,400;0,500;1,400;1,500&family=IBM+Plex+Mono:wght@400;500;600;700&display=swap');

:root {
  /* ---- Color — light (default) ---- */
  --paper: #F3F5F1;
  --paper-raised: #FBFCFA;
  --ink: #16211C;
  --ink-soft: #4A574F;
  --evergreen: #14362A;
  --evergreen-700: #0E2A20;
  --brass: #B08D57;
  --brass-soft: #C7A876;
  --gain: #2E7D5B;
  --loss: #A84A32;
  --rule: #DCE1DA;

  /* text drawn on top of --evergreen fills (buttons, header) */
  --on-evergreen: #F3F5F1;
  /* text drawn on top of --brass fills */
  --on-brass: #16211C;

  /* ---- Type ---- */
  --font-display: 'Fraunces', ui-serif, Georgia, serif;
  --font-body: 'Newsreader', ui-serif, Georgia, serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --size-display: clamp(2.4rem, 5vw, 3.8rem);
  --size-h2: clamp(1.5rem, 2.6vw, 1.9rem);
  --size-h3: 1.35rem;
  --size-body: 1.15rem;
  --size-small: 0.95rem;
  --size-caption: 0.8rem;
  --size-eyebrow: 0.72rem;

  --leading-body: 1.7;
  --leading-tight: 1.15;
  --measure: 66ch;

  /* ---- Space / shape ---- */
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --radius: 5px;
  --hairline: 1px solid var(--rule);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0F1613;
    --paper-raised: #16211C;
    --ink: #EAF0EA;
    --ink-soft: #9DB0A4;
    --evergreen: #7FB79C;
    --evergreen-700: #9BCBB4;
    --brass: #CBA96B;
    --brass-soft: #E2C793;
    --gain: #4FAE80;
    --loss: #D07050;
    --rule: #26332C;
    --on-evergreen: #0F1613;
    --on-brass: #0F1613;
    color-scheme: dark;
  }
}

/* explicit manual override (theme toggle) independent of OS setting */
:root[data-theme="dark"] {
  --paper: #0F1613;
  --paper-raised: #16211C;
  --ink: #EAF0EA;
  --ink-soft: #9DB0A4;
  --evergreen: #7FB79C;
  --evergreen-700: #9BCBB4;
  --brass: #CBA96B;
  --brass-soft: #E2C793;
  --gain: #4FAE80;
  --loss: #D07050;
  --rule: #26332C;
  --on-evergreen: #0F1613;
  --on-brass: #0F1613;
  color-scheme: dark;
}

/* ============================================================
   Base
   ============================================================ */

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  transition: background-color .2s ease, color .2s ease;
}

h1, h2, h3, .font-display {
  font-family: var(--font-display);
  font-weight: 560;
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 var(--space-3);
}

h1 { font-size: var(--size-display); }
h2 { font-size: var(--size-h2); }
h3 { font-size: var(--size-h3); }

p { margin: 0 0 var(--space-3); max-width: var(--measure); }

em, .voice { font-style: italic; }

a {
  color: var(--evergreen);
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
a:hover { text-decoration-color: var(--brass); color: var(--evergreen); }
a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

hr {
  border: none;
  border-top: var(--hairline);
  margin: var(--space-4) 0;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ============================================================
   Utility / data register (mono, tracked uppercase)
   ============================================================ */

.mono, .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 var(--space-2);
}

.caption {
  font-family: var(--font-mono);
  font-size: var(--size-caption);
  color: var(--ink-soft);
}

/* ============================================================
   Ledger Statement — the signature hero
   ============================================================ */

.ledger {
  background: var(--paper-raised);
  border: var(--hairline);
  border-radius: var(--radius);
  padding: var(--space-5) var(--space-4);
}

.ledger__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
}

.ledger__label {
  font-family: var(--font-mono);
  font-size: var(--size-small);
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ledger__figure {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  font-size: clamp(2rem, 5vw, 3.1rem);
  color: var(--ink);
  letter-spacing: -0.01em;
}

.ledger__rule {
  border: none;
  border-top: var(--hairline);
  margin: var(--space-3) 0;
}

.ledger__delta {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.ledger__delta--gain { color: var(--gain); }
.ledger__delta--loss { color: var(--loss); }

/* ---- progress-to-goal meter ---- */

.meter { margin-top: var(--space-4); }

.meter__label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--size-caption);
  color: var(--ink-soft);
  margin-bottom: var(--space-1);
}

.meter__pct { color: var(--ink); font-weight: 600; }

.meter__track {
  position: relative;
  height: 6px;
  background: var(--rule);
  border-radius: 999px;
  overflow: visible;
}

.meter__fill {
  height: 100%;
  background: var(--brass-soft);
  border-radius: 999px;
}

.meter__tick {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  background: var(--brass);
  border: 2px solid var(--paper-raised);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

/* ============================================================
   Ledger table
   ============================================================ */

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--size-small);
}

.ledger-table th {
  font-family: var(--font-mono);
  font-size: var(--size-caption);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-align: left;
  padding: var(--space-2) var(--space-2);
  border-bottom: var(--hairline);
}

.ledger-table td {
  padding: var(--space-2) var(--space-2);
  border-bottom: var(--hairline);
}

.ledger-table th.num,
.ledger-table td.num {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.ledger-table tr:last-child td { border-bottom: none; }

.ledger-table__total td {
  font-weight: 700;
  border-top: 2px solid var(--brass);
  border-bottom: none;
}

/* ============================================================
   Voice-note aside (confessional / dry-humor asides)
   ============================================================ */

.voice-note {
  border-left: 3px solid var(--brass);
  padding: var(--space-1) var(--space-4);
  margin: var(--space-4) 0;
  font-style: italic;
  color: var(--ink-soft);
}

.voice-note p:last-child { margin-bottom: 0; }

/* ============================================================
   Buttons / CTA
   ============================================================ */

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--size-caption);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85em 1.5em;
  border-radius: var(--radius);
  background: var(--evergreen);
  color: var(--on-evergreen);
  border: 1px solid var(--evergreen);
  transition: background-color .15s ease, color .15s ease;
}

.btn:hover { background: var(--evergreen-700); color: var(--on-evergreen); }

.btn--brass {
  background: var(--brass);
  color: var(--on-brass);
  border-color: var(--brass);
}
.btn--brass:hover { background: var(--brass-soft); }

.cta {
  background: var(--evergreen);
  color: var(--on-evergreen);
  border-radius: var(--radius);
  padding: var(--space-5) var(--space-4);
}

.cta h3 { color: var(--on-evergreen); }
.cta .eyebrow { color: color-mix(in srgb, var(--on-evergreen) 65%, transparent); }