/* Golden View - a small, self-contained stylesheet.
   No framework, no CDN: the Content-Security-Policy is 'self' only. */

:root {
  --gold-900: #6b4c12;
  --gold-700: #9a7420;
  --gold-500: #c9a227;
  --gold-200: #f0e2b0;
  --gold-050: #fdf9ef;

  --ink-900: #1c1c1a;
  --ink-700: #3b3b37;
  --ink-500: #6a6a63;
  --ink-300: #a8a89f;
  --ink-100: #e2e2db;
  --paper: #fffdf8;

  --good: #1f7a4d;
  --warn: #a8640a;
  --bad: #a32b2b;

  --radius: 8px;
  --shadow: 0 1px 2px rgba(28, 28, 26, .06), 0 4px 14px rgba(28, 28, 26, .05);
  --font: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-num: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--gold-050);
  color: var(--ink-900);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold-700); }
a:hover { color: var(--gold-900); }

/* ---- Chrome ------------------------------------------------------------- */

.masthead {
  background: linear-gradient(180deg, #fffdf8 0%, #fbf4e3 100%);
  border-bottom: 1px solid var(--gold-200);
}

.masthead-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--font);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--gold-900);
  text-decoration: none;
  white-space: nowrap;
}
.brand span { color: var(--gold-500); }

.masthead nav { display: flex; gap: 18px; flex: 1; }
.masthead nav a { text-decoration: none; font-size: 14px; color: var(--ink-700); }
.masthead nav a:hover { color: var(--gold-900); }

.masthead .who { font-size: 13px; color: var(--ink-500); display: flex; align-items: center; gap: 12px; }

main { max-width: 1180px; margin: 0 auto; padding: 28px 24px 64px; }

footer.site {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 24px 40px;
  font-size: 12px;
  color: var(--ink-500);
  border-top: 1px solid var(--ink-100);
}

/* ---- Type --------------------------------------------------------------- */

h1 { font-family: var(--font); font-size: 30px; font-weight: 600; margin: 0 0 6px; letter-spacing: -.01em; }
h2 { font-family: var(--font); font-size: 21px; font-weight: 600; margin: 28px 0 10px; }
h3 { font-size: 14px; font-weight: 600; margin: 0 0 8px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-500); }

.lede { color: var(--ink-700); margin: 0 0 24px; max-width: 62ch; }
.muted { color: var(--ink-500); }
.small { font-size: 13px; }

/* ---- Cards and layout --------------------------------------------------- */

.card {
  background: var(--paper);
  border: 1px solid var(--ink-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  margin-bottom: 20px;
}

.split { display: grid; grid-template-columns: minmax(320px, 400px) 1fr; gap: 22px; align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
@media (max-width: 560px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---- Forms -------------------------------------------------------------- */

label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-700); margin-bottom: 4px; }
label .hint { display: block; font-weight: 400; color: var(--ink-500); font-size: 12px; margin-top: 2px; }

input[type=text], input[type=email], input[type=password], input[type=number], select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--ink-300);
  border-radius: 6px;
  background: #fff;
  font: inherit;
  color: var(--ink-900);
}
input[type=number] { font-family: var(--font-num); }
input:focus, select:focus { outline: 2px solid var(--gold-500); outline-offset: 1px; border-color: var(--gold-500); }

.field { margin-bottom: 14px; }

.input-prefixed { position: relative; }
.input-prefixed span {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  color: var(--ink-500); font-size: 13px; pointer-events: none;
}
.input-prefixed input { padding-left: 24px; }

.input-suffixed { position: relative; }
.input-suffixed span {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  color: var(--ink-500); font-size: 13px; pointer-events: none;
}
.input-suffixed input { padding-right: 26px; }

fieldset { border: 0; padding: 0; margin: 0 0 8px; }
fieldset legend { padding: 0; }

details.assumptions { margin: 8px 0 16px; }
details.assumptions summary {
  cursor: pointer; font-size: 13px; font-weight: 600; color: var(--ink-700);
  padding: 6px 0; user-select: none;
}
details.assumptions[open] summary { margin-bottom: 10px; }

/* ---- Buttons ------------------------------------------------------------ */

.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
.btn-primary { background: var(--gold-700); color: #fff; }
.btn-primary:hover { background: var(--gold-900); color: #fff; }
.btn-secondary { background: #fff; border-color: var(--ink-300); color: var(--ink-700); }
.btn-secondary:hover { border-color: var(--ink-500); color: var(--ink-900); }
.btn-danger { background: #fff; border-color: var(--bad); color: var(--bad); }
.btn-danger:hover { background: var(--bad); color: #fff; }
.btn-link { background: none; border: 0; color: var(--gold-700); cursor: pointer; font: inherit; padding: 0; text-decoration: underline; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 18px; }

/* ---- Messages ----------------------------------------------------------- */

.alert { padding: 11px 14px; border-radius: 6px; margin-bottom: 18px; font-size: 14px; border: 1px solid; }
.alert-error { background: #fdf1f1; border-color: #e7bcbc; color: #7d2222; }
.alert-info { background: #f2f7fb; border-color: #c3d8e8; color: #23536f; }
.alert-success { background: #f1f8f3; border-color: #bcdcc7; color: #1a5e3b; }
.alert ul { margin: 6px 0 0; padding-left: 20px; }

.field-error { color: var(--bad); font-size: 12.5px; margin-top: 4px; display: block; }

/* ---- Results ------------------------------------------------------------ */

.headline {
  background: linear-gradient(135deg, #fbf4e3 0%, #fffdf8 100%);
  border: 1px solid var(--gold-200);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 20px;
}
.headline .answer {
  font-family: var(--font);
  font-size: 38px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--gold-900);
  margin: 4px 0 6px;
  font-variant-numeric: tabular-nums;
}
.headline .caption { font-size: 13.5px; color: var(--ink-700); max-width: 60ch; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1px; background: var(--ink-100); border: 1px solid var(--ink-100); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--paper); padding: 13px 15px; }
.stat .k { font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-500); }
.stat .v { font-family: var(--font-num); font-size: 17px; margin-top: 3px; font-variant-numeric: tabular-nums; }
.stat .v.good { color: var(--good); }
.stat .v.bad { color: var(--bad); }

.verdict { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.verdict.ok { background: #e8f4ec; color: var(--good); }
.verdict.no { background: #fbecec; color: var(--bad); }

/* ---- Tables ------------------------------------------------------------- */

.table-scroll { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th, table.data td { padding: 6px 10px; text-align: right; border-bottom: 1px solid var(--ink-100); white-space: nowrap; }
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data thead th { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-500); border-bottom: 1px solid var(--ink-300); }
table.data td { font-family: var(--font-num); font-variant-numeric: tabular-nums; }
table.data tr.retirement td { background: #fdfaf1; }
table.data tr.milestone td { border-top: 2px solid var(--gold-500); }

/* ---- Scenario list ------------------------------------------------------ */

.scenario-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.scenario-card { background: var(--paper); border: 1px solid var(--ink-100); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; display: flex; flex-direction: column; }
.scenario-card h2 { margin: 0 0 4px; font-size: 19px; }
.scenario-card .summary { font-size: 13px; color: var(--ink-500); margin-bottom: 12px; }
.scenario-card dl { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; margin: 0 0 14px; font-size: 13px; }
.scenario-card dt { color: var(--ink-500); }
.scenario-card dd { margin: 0; font-family: var(--font-num); text-align: right; font-variant-numeric: tabular-nums; }
.scenario-card .actions { margin-top: auto; }

.empty { text-align: center; padding: 48px 24px; color: var(--ink-500); }

/* ---- Chart -------------------------------------------------------------- */

.chart { width: 100%; height: auto; display: block; }
.chart .axis { stroke: var(--ink-300); stroke-width: 1; }
.chart .grid { stroke: var(--ink-100); stroke-width: 1; }
.chart .tick { font-size: 10px; fill: var(--ink-500); font-family: var(--font-ui); }
.chart .accum { fill: rgba(201, 162, 39, .28); stroke: var(--gold-700); stroke-width: 1.5; }
.chart .draw { fill: rgba(31, 122, 77, .18); stroke: var(--good); stroke-width: 1.5; }
.chart .marker { stroke: var(--ink-500); stroke-dasharray: 3 3; stroke-width: 1; }
.chart .label { font-size: 10.5px; fill: var(--ink-700); font-family: var(--font-ui); }

.legend { display: flex; gap: 18px; font-size: 12px; color: var(--ink-700); margin-top: 8px; flex-wrap: wrap; }
.legend i { display: inline-block; width: 11px; height: 11px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }

/* ---- Notes -------------------------------------------------------------- */

ul.notes { margin: 0; padding-left: 18px; font-size: 13.5px; color: var(--ink-700); }
ul.notes li { margin-bottom: 6px; }

.auth-page { max-width: 420px; margin: 40px auto; }