/* Effective Risk-Free Rate — themed to pedramp.com (Inter/Fraunces, warm palette).
   Dark is the :root base (the app always stamps an explicit [data-theme]); light
   overrides below. Curve colours are theme-aware CSS vars read by the chart. */
:root {
  --bg: #14151a; --card: #1b1d23; --panel2: #21242c; --line: #2a2c34; --grid: #24262e;
  --ink: #e9e6de; --muted: #b5b1a6; --brand: #d8a95e; --accent: #d8a95e; --accent2: #c99a54;
  --on-accent: #1c1b18;
  --c-govt: #d8a95e; --c-on: #6fbf8f; --c-marker: #e4738f;
  --shadow: 0 1px 3px rgba(0,0,0,0.4);
  --radius: 12px;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #faf8f3; --card: #ffffff; --panel2: #f2efe7; --line: #e2ddd2; --grid: #ece7dc;
  --ink: #1c1b18; --muted: #4c4a44; --brand: #8a5a28; --accent: #8a5a28; --accent2: #9a6a34;
  --on-accent: #ffffff;
  --c-govt: #8a5a28; --c-on: #2f8f5b; --c-marker: #c0405f;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  color-scheme: light;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ---- Landing ---- */
#landing { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
#landing[hidden] { display: none; }
#app[hidden] { display: none; }
.landing-inner { text-align: center; max-width: 720px; }
.landing-logo { display: block; width: 180px; max-width: 60%; height: auto; margin: 0 auto 18px; }
.landing-inner h1 { font-family: "Fraunces", Georgia, serif; font-size: 34px; margin: 0 0 24px; font-weight: 600; letter-spacing: -0.01em; }
.landing-inner .sub { color: var(--muted); margin: 0 0 30px; font-size: 16px; }
.flag-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .flag-grid { grid-template-columns: 1fr; } }
.flag-card {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 30px 24px; background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; cursor: pointer; box-shadow: var(--shadow); transition: transform .12s, border-color .12s;
  color: var(--ink);
}
.flag-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.flag-card .flag { font-size: 54px; line-height: 1; }
.flag-card .cname { font-size: 18px; font-weight: 650; color: var(--ink); }
.flag-card small { color: var(--muted); font-size: 12.5px; }

/* ---- Top bar ---- */
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 14px 24px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10; flex-wrap: wrap;
}
.market-switch {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  border: 1px solid var(--line); background: var(--bg); border-radius: 999px; padding: 5px 12px 5px 10px;
}
.market-switch:hover { border-color: var(--accent); background: var(--card); }
.market-switch #hdrFlag { font-size: 20px; line-height: 1; }
.market-switch .country-name { font-size: 13px; font-weight: 650; color: var(--ink); }
.market-switch .caret { font-size: 11px; font-weight: 600; color: var(--accent); }
.brand { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.brand .mark { font-family: "Fraunces", Georgia, serif; font-weight: 600; font-style: italic; color: var(--brand); font-size: 18px; }
.brand h1 { font-size: 17px; margin: 0; font-weight: 650; }
.top-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.meta { font-size: 13px; color: var(--muted); }
.meta strong { color: var(--ink); }
.back-link { display: inline-flex; align-items: center; gap: .35rem; color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 500; white-space: nowrap; }
.back-link:hover { color: var(--accent); }
.lang-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.lang-toggle button { border: 0; background: transparent; padding: 6px 12px; cursor: pointer; color: var(--muted); font-weight: 600; font-size: 13px; }
.lang-toggle button.active { background: var(--accent); color: var(--on-accent); }
.theme-btn { background: var(--panel2); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; width: 34px; height: 34px; cursor: pointer; font-size: 15px; line-height: 1; display: inline-flex; align-items: center; justify-content: center; }
.theme-btn:hover { border-color: var(--accent); color: var(--accent); }
.btn { border: 1px solid var(--accent); background: var(--accent); color: var(--on-accent); padding: 8px 16px; border-radius: 8px; cursor: pointer; font-weight: 650; font-size: 14px; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn:disabled { opacity: 0.6; cursor: default; }

/* ---- Tabs ---- */
.tabs { display: flex; gap: 4px; padding: 0 24px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 58px; z-index: 9; flex-wrap: wrap; }
.tab { border: 0; background: transparent; padding: 12px 16px; cursor: pointer; color: var(--muted); font-weight: 650; font-size: 14px; border-bottom: 2px solid transparent; }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: contents; }
.tab-panel[hidden] { display: none; }

main { max-width: 1080px; margin: 22px auto; padding: 0 24px; display: grid; gap: 18px; grid-template-columns: 1fr 1fr; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.card h2 { margin: 0 0 14px; font-size: 15px; font-weight: 650; }
.chart-card, .notes-card, .results, .forward-card { grid-column: 1 / -1; }
@media (max-width: 820px) { main { grid-template-columns: 1fr; } }

.input-grid { display: flex; flex-wrap: wrap; align-items: end; gap: 14px; }
.input-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.input-grid input, .input-grid select { font-size: 15px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); }
.input-grid .or { color: var(--muted); padding-bottom: 10px; font-style: italic; }
.ttm { display: flex; gap: 28px; margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 14px; color: var(--muted); flex-wrap: wrap; }
.ttm strong { color: var(--ink); }
.quick { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip { border: 1px solid var(--line); background: var(--bg); color: var(--ink); border-radius: 999px; padding: 5px 13px; cursor: pointer; font-size: 13px; }
.chip:hover { border-color: var(--accent); color: var(--accent); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; color: var(--muted); font-weight: 650; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.conv { color: var(--muted); font-size: 13px; }
.df-row td { color: var(--muted); font-size: 13px; }
.tag { font-size: 10px; background: var(--panel2); color: var(--accent2); padding: 1px 6px; border-radius: 4px; text-transform: uppercase; letter-spacing: 0.3px; }
.hint { font-size: 12.5px; color: var(--muted); margin: 12px 0 0; }
#proxyWarn { color: var(--accent2); }

.chart-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 10px; }
.legend { display: flex; gap: 16px; font-size: 12.5px; color: var(--muted); }
.legend .dot, .swatch { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: middle; }
#chart { margin-top: 8px; }

.fwd-result { margin-top: 14px; display: grid; gap: 6px; max-width: 460px; }
.fwd-line { display: flex; justify-content: space-between; gap: 16px; padding: 8px 12px; background: var(--panel2); border-radius: 8px; font-size: 14px; }
.fwd-line.muted { color: var(--muted); }
.fwd-line strong { font-variant-numeric: tabular-nums; }

.note-block { margin-bottom: 14px; }
.note-block h3 { font-size: 14px; margin: 0 0 4px; }
.note-block p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.6; }
.inputs-h { font-size: 13px; margin: 18px 0 8px; }
table.mini { font-size: 13px; }
table.mini td, table.mini th { padding: 6px 10px; }

footer { text-align: center; color: var(--muted); font-size: 12.5px; padding: 24px; }