/* 529 — the family ledger. Warm paper, forest ink, long horizons. */

:root {
  --paper: #faf6ec;
  --paper-deep: #f3edde;
  --card: #fffdf6;
  --field: #ffffff;
  --ink: #20302a;
  --ink-soft: #5a6b60;
  --green: #2f5d46;
  --green-deep: #1d4030;
  --green-wash: #e4ede4;
  --gold: #a87b22;
  --gold-soft: #f2e3c2;
  --clay: #b3502e;
  --clay-wash: #f6e3da;
  --hairline: #ddd4bf;
  --shadow: 0 1px 2px rgba(46, 58, 48, .06), 0 8px 24px -12px rgba(46, 58, 48, .18);
  --serif: "Fraunces", Georgia, serif;
  --sans: "IBM Plex Sans", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

/* Dark mode — warm-dark to keep the paper-and-ink feel after sundown. */
:root[data-theme="dark"] {
  color-scheme: dark;            /* dark native controls: date picker, select menu, scrollbars */
  --paper: #161a17;
  --paper-deep: #11140f;
  --card: #20251f;
  --field: #2b332c;             /* readable input background (vs near-white text) */
  --ink: #e9e7dc;
  --ink-soft: #9fa89c;
  --green: #5fa07e;
  --green-deep: #84c4a0;
  --green-wash: #28332b;
  --gold: #cfa24a;
  --gold-soft: #36301e;
  --clay: #d77f59;
  --clay-wash: #38271f;
  --hairline: #333b34;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.7);
}
:root[data-theme="dark"] body {
  background:
    radial-gradient(1200px 500px at 85% -10%, #1c2620 0%, transparent 60%),
    radial-gradient(900px 420px at -10% 110%, #18211a 0%, transparent 55%),
    var(--paper);
}
:root[data-theme="dark"] .grain { opacity: .12; }

.theme-toggle {
  border: 1px solid var(--hairline); background: transparent; color: var(--ink-soft);
  width: 34px; height: 34px; border-radius: 999px; cursor: pointer; font-size: 15px;
  line-height: 1; transition: all .15s ease;
}
.theme-toggle:hover { background: var(--green-wash); color: var(--green-deep); }
.ro-note { color: var(--gold); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 85% -10%, #f0e9d6 0%, transparent 60%),
    radial-gradient(900px 420px at -10% 110%, #e9efe3 0%, transparent 55%),
    var(--paper);
  color: var(--ink);
  font: 15px/1.55 var(--sans);
  min-height: 100vh;
}

.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 2; opacity: .35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .04 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

main { max-width: 1180px; margin: 0 auto; padding: 0 28px 64px; position: relative; z-index: 3; }

/* ---------------------------------------------------------- masthead ---- */
.masthead {
  max-width: 1180px; margin: 0 auto; padding: 26px 28px 18px;
  display: flex; align-items: baseline; justify-content: space-between;
  border-bottom: 1px solid var(--hairline); position: relative; z-index: 3;
}
.brand { text-decoration: none; color: var(--ink); display: flex; align-items: baseline; gap: 14px; }
.brand-mark {
  font: 700 34px/1 var(--serif); letter-spacing: -.5px; color: var(--green-deep);
  font-variation-settings: "opsz" 144;
}
.brand-sub { font: 400 12.5px var(--sans); color: var(--ink-soft); letter-spacing: .04em; }
nav { display: flex; gap: 4px; align-items: center; }
nav a {
  text-decoration: none; color: var(--ink-soft); font-weight: 500; font-size: 14px;
  padding: 7px 14px; border-radius: 999px; transition: all .18s ease;
}
nav a:hover { color: var(--green-deep); background: var(--green-wash); }
nav a.on { color: var(--paper); background: var(--green); }

footer { max-width: 1180px; margin: 0 auto; padding: 18px 28px 36px; color: var(--ink-soft); font-size: 12px; border-top: 1px solid var(--hairline); position: relative; z-index: 3; }

/* ---------------------------------------------------------- layout ------ */
.page-head { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin: 34px 0 20px; }
h1 { font: 600 30px/1.15 var(--serif); margin: 0; color: var(--green-deep); letter-spacing: -.3px; }
h1 small { display: block; font: 400 13px var(--sans); color: var(--ink-soft); margin-top: 6px; letter-spacing: 0; }
h2 { font: 600 19px var(--serif); color: var(--green-deep); margin: 30px 0 12px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin: 18px 0 24px; }
.card {
  background: var(--card); border: 1px solid var(--hairline); border-radius: 14px;
  padding: 16px 18px 14px; box-shadow: var(--shadow);
  animation: rise .5s ease backwards;
}
.cards .card:nth-child(2) { animation-delay: .06s } .cards .card:nth-child(3) { animation-delay: .12s }
.cards .card:nth-child(4) { animation-delay: .18s } .cards .card:nth-child(5) { animation-delay: .24s }
@keyframes rise { from { opacity: 0; transform: translateY(8px) } }
.card .k { font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.card .v { font: 600 26px/1.2 var(--serif); color: var(--green-deep); margin-top: 4px; font-variant-numeric: tabular-nums; }
.card .v.gold { color: var(--gold); }
.card .v.clay { color: var(--clay); }
.card .note { font-size: 12px; color: var(--ink-soft); margin-top: 4px; }

.panel {
  background: var(--card); border: 1px solid var(--hairline); border-radius: 16px;
  padding: 22px; box-shadow: var(--shadow); margin-bottom: 22px;
}
.panel.flush { padding: 8px 0 2px; }
.two-col { display: grid; grid-template-columns: 1fr 340px; gap: 22px; align-items: start; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr } }

.chart-wrap { position: relative; height: 360px; }
.chart-wrap.short { height: 260px; }

.chart-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.range-btns { display: inline-flex; gap: 6px; }
.rbtn {
  border: 1px solid var(--hairline); background: transparent; color: var(--ink-soft);
  font: 600 12.5px var(--sans); padding: 5px 13px; border-radius: 999px; cursor: pointer;
  transition: all .15s ease;
}
.rbtn:hover { background: var(--green-wash); color: var(--green); }
.rbtn.on { background: var(--green); border-color: var(--green); color: var(--paper); }
.chart-hint { font-size: 12px; color: var(--ink-soft); }
.timeline .seg.zoom { cursor: pointer; transition: filter .15s ease; }
.timeline .seg.zoom:hover { filter: brightness(.96); }

/* ---------------------------------------------------------- tables ------ */
table.ledger { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.ledger th {
  text-align: right; font: 500 11px var(--sans); letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-soft); padding: 10px 12px 8px; border-bottom: 1.5px solid var(--green);
  cursor: pointer; user-select: none; white-space: nowrap;
}
.ledger th:first-child, .ledger td:first-child { text-align: left; }
.ledger th .dir { opacity: .55; font-size: 9px; margin-left: 3px; }
.ledger td {
  padding: 8px 12px; text-align: right; border-bottom: 1px solid #ece5d2;
  font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: 12.5px;
}
.ledger td.txt { font-family: var(--sans); font-size: 13px; text-align: left; }
.ledger tr:hover td { background: #f7f2e4; }
.ledger tr.phase-cc td.txt { color: var(--green); }
.ledger tr.phase-vet td.txt { color: var(--gold); font-weight: 600; }
.ledger td.neg { color: var(--clay); }
.ledger tfoot td { border-top: 2px solid var(--green); font-weight: 600; }

/* ---------------------------------------------------------- forms ------- */
label.f { display: block; font-size: 12px; font-weight: 600; color: var(--ink-soft); margin-bottom: 12px; }
label.f span { display: block; margin-bottom: 4px; letter-spacing: .03em; }
input[type=text], input[type=number], input[type=date], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--hairline); border-radius: 9px;
  background: var(--field); font: 500 14px var(--mono); color: var(--ink);
  transition: border .15s, box-shadow .15s;
}
input::placeholder, textarea::placeholder { color: var(--ink-soft); opacity: .65; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px var(--green-wash); }
textarea { font-family: var(--sans); resize: vertical; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 16px; }
@media (max-width: 800px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr } }

.btn {
  display: inline-block; border: 1px solid var(--green); background: var(--green); color: var(--paper);
  font: 600 13.5px var(--sans); padding: 9px 18px; border-radius: 999px; cursor: pointer;
  text-decoration: none; transition: all .15s ease;
}
.btn:hover { background: var(--green-deep); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--green); }
.btn.ghost:hover { background: var(--green-wash); transform: none; }
.btn.danger { border-color: var(--clay); background: transparent; color: var(--clay); }
.btn.danger:hover { background: var(--clay-wash); }
.btn.small { padding: 5px 12px; font-size: 12.5px; }
.btn-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.warn {
  background: var(--clay-wash); border: 1px solid #e4b8a4; color: #7c3a1f;
  border-radius: 12px; padding: 12px 16px; font-size: 13px; margin: 14px 0;
}
.tip {
  background: var(--gold-soft); border: 1px solid #e2cf9c; color: #6e5113;
  border-radius: 12px; padding: 12px 16px; font-size: 13px; margin: 14px 0;
}

/* ---------------------------------------------------------- timeline ---- */
.timeline { display: flex; gap: 0; margin: 6px 0 26px; border-radius: 14px; overflow: hidden; border: 1px solid var(--hairline); box-shadow: var(--shadow); }
.timeline .seg { flex: 1; padding: 12px 16px; background: var(--card); border-right: 1px solid var(--hairline); }
.timeline .seg:last-child { border-right: none; }
.timeline .seg.cc { background: var(--green-wash); }
.timeline .seg.vet { background: var(--gold-soft); }
.timeline .seg.post { background: var(--card); }
.timeline .yr { font: 600 17px var(--serif); color: var(--green-deep); }
.timeline .what { font-size: 11.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-soft); margin-top: 2px; }
.timeline .age { font-size: 11px; color: var(--ink-soft); }

.scenario-pick { display: flex; gap: 10px; align-items: center; }
.scenario-pick select { width: auto; min-width: 260px; font-family: var(--sans); }

.phase-row { display: grid; grid-template-columns: 1.2fr 1.4fr repeat(8, .7fr) 34px; gap: 8px; align-items: end; margin-bottom: 10px; }
.phase-row label.f { margin-bottom: 0; }
.phase-row .del { border: none; background: none; color: var(--clay); font-size: 17px; cursor: pointer; padding: 8px 4px; }
.phase-head { font: 600 12px var(--sans); color: var(--ink-soft); letter-spacing: .05em; }

.muted { color: var(--ink-soft); font-size: 12.5px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.right { text-align: right; }
hr.rule { border: none; border-top: 1px solid var(--hairline); margin: 22px 0; }

/* rules card on rollover page */
.rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.rules .rule-card { background: var(--paper-deep); border-radius: 12px; padding: 14px 16px; border: 1px solid var(--hairline); }
.rules .rule-card b { display: block; font: 600 15px var(--serif); color: var(--green-deep); margin-bottom: 4px; }
.rules .rule-card p { margin: 0; font-size: 12.5px; color: var(--ink-soft); }