/* =============================================================================
   SUBTOTAL DESIGN SYSTEM
   Light neutral base · deep teal accent · coral for "cancel"
   Glass for the chrome, solid for the numbers.
   ============================================================================= */

:root {
  --bg: #eef1f4;
  --ink: #16242b;
  --ink-soft: #5b6b74;
  --teal: #0e7569;
  --teal-bright: #14b8a6;
  --teal-soft: rgba(20, 184, 166, 0.12);
  --coral: #f0564a;
  --coral-soft: rgba(240, 86, 74, 0.1);
  --amber: #d97f06;
  --amber-soft: rgba(217, 127, 6, 0.1);
  --solid: #ffffff;
  --glass: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(255, 255, 255, 0.75);
  --shadow: 0 8px 32px rgba(22, 36, 43, 0.1);
  --radius: 20px;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  /* Sticky nav (~60px tall + 16px top offset) overlaps anchor targets without this */
  scroll-padding-top: 100px;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Ambient teal gradient blobs the glass panels pick up */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(600px 400px at 12% 8%, rgba(20, 184, 166, 0.16), transparent 60%),
    radial-gradient(700px 500px at 88% 30%, rgba(14, 117, 105, 0.12), transparent 60%),
    radial-gradient(500px 500px at 50% 95%, rgba(240, 86, 74, 0.07), transparent 60%),
    var(--bg);
}

/* ---- Glass chrome ---- */
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---- Solid surfaces for data ---- */
.solid {
  background: var(--solid);
  border: 1px solid rgba(22, 36, 43, 0.07);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px rgba(22, 36, 43, 0.05);
}

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

/* ---- Nav ---- */
.nav {
  position: sticky;
  top: 16px;
  margin: 16px auto 0;
  max-width: 1060px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  z-index: 50;
}
.nav .brand {
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.4px;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 9px;
}
.brand-mark {
  width: 26px; height: 26px;
  display: block;
}
.nav .links { display: flex; gap: 22px; align-items: center; }
.nav .links a {
  color: var(--ink-soft); text-decoration: none; font-size: 14.5px; font-weight: 500;
}
.nav .links a:hover { color: var(--ink); }
.nav .links a.btn-primary,
.nav .links a.btn-primary:hover { color: #fff; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--sans); font-size: 15px; font-weight: 600;
  padding: 13px 26px; border-radius: 14px; border: none; cursor: pointer;
  text-decoration: none; transition: transform 0.15s, box-shadow 0.15s;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: linear-gradient(135deg, var(--teal-bright), var(--teal));
  color: #fff;
  box-shadow: 0 4px 18px rgba(14, 117, 105, 0.35);
}
.btn-primary:hover { box-shadow: 0 6px 24px rgba(14, 117, 105, 0.45); }
.btn-ghost {
  background: var(--glass); color: var(--ink);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---- Tags ---- */
.tag {
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.8px; padding: 4px 10px; border-radius: 7px;
}
.tag-cancel { background: var(--coral-soft); color: var(--coral); }
.tag-review { background: var(--amber-soft); color: var(--amber); }
.tag-keep { background: var(--teal-soft); color: var(--teal); }

/* ---- Utility ---- */
.container { max-width: 1060px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--ink-soft); }
.teal { color: var(--teal); }
.coral { color: var(--coral); }
.strike { text-decoration: line-through; text-decoration-color: var(--coral); text-decoration-thickness: 2px; }

footer.site {
  margin: 80px auto 32px; text-align: center;
  color: var(--ink-soft); font-size: 13.5px;
}
footer.site a { color: var(--teal); text-decoration: none; }
.disclaimer { margin-top: 32px; text-align: center; font-size: 11.5px; color: var(--ink-soft); opacity: .55; }