*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

:root {
  color-scheme: light dark;

  /* Dark palette (default) */
  --bg-dark: #0c0c0e;
  --tile-dark: #131316;
  --fg-dark: #ececec;
  --muted-dark: #7a7a82;
  --dim-dark: #48484f;
  --hairline-dark: #22232a;

  /* Light palette */
  --bg-light: #f7f7f5;
  --tile-light: #ffffff;
  --fg-light: #16161a;
  --muted-light: #6a6a72;
  --dim-light: #a4a4ac;
  --hairline-light: #e6e6e2;

  /* Resolved tokens via light-dark() */
  --bg: light-dark(var(--bg-light), var(--bg-dark));
  --tile: light-dark(var(--tile-light), var(--tile-dark));
  --fg: light-dark(var(--fg-light), var(--fg-dark));
  --muted: light-dark(var(--muted-light), var(--muted-dark));
  --dim: light-dark(var(--dim-light), var(--dim-dark));
  --hairline: light-dark(var(--hairline-light), var(--hairline-dark));

  /* Accents — same in both themes */
  --gold: oklch(0.82 0.13 78);
  --silver: oklch(0.86 0.01 250);

  /* Up/down — retuned per theme so small delta text keeps AA contrast on either background */
  --up: light-dark(oklch(0.5 0.16 145), oklch(0.74 0.14 145));
  --down: light-dark(oklch(0.5 0.2 25), oklch(0.68 0.18 25));
}

/* data-theme override (forces a theme regardless of OS preference) */
html[data-theme="dark"] { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: "Inter Tight", system-ui, sans-serif;
  min-height: 100vh;
  min-height: 100dvh; /* mobile: track the dynamic toolbar */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  -webkit-font-smoothing: antialiased;
}

.stage { width: 100%; max-width: 680px; }

/* ---------- Header ---------- */
.head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 36px;
  gap: 16px;
}
.head h1 {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.head-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.head .meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.theme-toggle {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color .15s, color .15s;
}
.theme-toggle:hover { color: var(--fg); border-color: var(--muted); }
.theme-toggle:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}
html[data-theme="dark"] .theme-toggle::before { content: "☾"; }
html[data-theme="light"] .theme-toggle::before { content: "☀"; }
.theme-toggle::before { content: "☾"; }
@media (prefers-color-scheme: light) {
  html:not([data-theme]) .theme-toggle::before { content: "☀"; }
}

/* ---------- Twin tiles ---------- */
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.tile {
  background: var(--tile);
  border-radius: 14px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.tile::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
}
.tile.gold::before {
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: .5;
}
.tile.silver::before {
  background: linear-gradient(90deg, transparent, var(--silver), transparent);
  opacity: .4;
}

.tile-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.symbol {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
}
.symbol .glyph {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  border: 1px solid var(--hairline);
}
.tile.gold .symbol .glyph {
  color: var(--gold);
  border-color: color-mix(in oklab, var(--gold) 35%, transparent);
}
.tile.silver .symbol .glyph {
  color: var(--silver);
  border-color: color-mix(in oklab, var(--silver) 35%, transparent);
}
.symbol .name {
  color: var(--fg);
  font: inherit;
  margin: 0;
}
.tile-meta {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- Price + delta ---------- */
.price {
  font-family: "JetBrains Mono", monospace;
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
}

.delta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 14px;
  font-family: "JetBrains Mono", monospace;
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
}
.delta.up { color: var(--up); }
.delta.down { color: var(--down); }
.delta.up::before { content: "▲"; font-size: 0.8em; }
.delta.down::before { content: "▼"; font-size: 0.8em; }

/* Reserve space below the headline price so the layout doesn't shift
   when the unit delta first appears between fetches. */
#gold-change-amount,
#silver-change-amount { display: flex; min-height: 16px; margin-top: 2px; }

/* ---------- Divider + holdings ---------- */
.divider {
  height: 1px;
  background: var(--hairline);
  margin: 22px 0;
}

.calc-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.calc-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.field {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 8px 12px;
  transition: border-color .15s;
}
.field:focus-within {
  border-color: var(--fg);
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}
.ounces-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  font-family: "JetBrains Mono", monospace;
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--fg);
}
/* Hide native number spinners for a cleaner look */
.ounces-input::-webkit-outer-spin-button,
.ounces-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.ounces-input[type="number"] { -moz-appearance: textfield; }
.field .unit {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--dim);
}

.line-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 14px;
  gap: 12px;
}
.lt-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.lt-right { display: inline-flex; align-items: baseline; gap: 8px; }
.lt-value {
  font-family: "JetBrains Mono", monospace;
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 400;
  color: var(--fg);
}

/* ---------- Portfolio total ---------- */
.summary {
  margin-top: 24px;
  background: var(--tile);
  border-radius: 14px;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.summary-label {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.summary-right { display: flex; align-items: baseline; gap: 14px; }
.summary-value {
  font-family: "JetBrains Mono", monospace;
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* ---------- Footer status ---------- */
.foot {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-family: "JetBrains Mono", monospace;
  font-variant-numeric: tabular-nums;
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.06em;
}

/* Error / stale tile states (matches app.js class hooks on the .tile) */
.tile.error .price { color: var(--down); font-size: 18px; }
.tile.stale .price,
.tile.stale .lt-value { opacity: 0.5; }

/* Status text colour cue when any tile is in error/stale */
.stage:has(.tile.error) #status-text { color: var(--down); }
.stage:has(.tile.stale):not(:has(.tile.error)) #status-text { color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 560px) {
  body { padding: 32px 16px; }
  .grid { grid-template-columns: 1fr; }
  .head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .price { font-size: 26px; }
  .summary {
    padding: 18px 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .summary-value { font-size: 20px; }
}