:root {
  --abyss: #0a1628;
  --deep-water: #131f38;
  --undertow: #1a2a4a;
  --cream: #f5f0e8;
  --warm-sand: #d4c5a9;
  --gold: #c9a96e;
  --gold-20: rgba(201, 169, 110, 0.2);
  --gold-40: rgba(201, 169, 110, 0.4);
  --ok: #8fd3a8;
  --bad: #e8a598;
  --font-head: "Playfair Display", Georgia, serif;
  --font-body: "Inter", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--cream);
  background: var(--abyss);
  background-image: linear-gradient(180deg, var(--deep-water) 0%, var(--abyss) 60%);
  background-repeat: no-repeat;
  min-height: 100vh;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }
.top { padding: 2.5rem 0 1.5rem; border-bottom: 1px solid var(--gold-20); }
.brand { font-family: var(--font-head); color: var(--warm-sand); letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.85rem; margin: 0 0 0.25rem; }
h1 { font-family: var(--font-head); font-weight: 700; font-size: clamp(2rem, 6vw, 3rem); margin: 0 0 0.75rem; color: var(--cream); line-height: 1.15; }
h2 { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.35rem, 4vw, 1.9rem); color: var(--warm-sand); margin: 0 0 0.5rem; line-height: 1.25; }
h3 { font-family: var(--font-head); font-weight: 600; font-size: 1.2rem; color: var(--warm-sand); margin: 0; }
.lede { max-width: 62ch; margin: 0; }
.who { color: var(--warm-sand); font-size: 0.9rem; margin: 0.75rem 0 0; }
.muted { color: var(--warm-sand); margin: 0 0 1.25rem; }
strong { color: var(--gold); font-weight: 600; }
a { color: var(--gold); }

.loading { padding: 2rem 0; color: var(--warm-sand); }
.cohort { margin: 2rem 0 0; }
.cohort header { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem 1rem; margin-bottom: 0.75rem; }
.cohort .tag { font-size: 0.8rem; color: var(--abyss); background: var(--warm-sand); padding: 0.1rem 0.55rem; border-radius: 999px; font-weight: 600; }
.card { background: rgba(26, 42, 74, 0.7); backdrop-filter: blur(10px); border: 1px solid var(--gold-20); border-radius: 8px; overflow: hidden; }
.link-row { display: grid; grid-template-columns: 1fr auto; gap: 0.5rem 1rem; align-items: center; padding: 0.9rem 1rem; border-top: 1px solid var(--gold-20); }
.link-row:first-child { border-top: 0; }
.link-row .name { font-weight: 600; }
.link-row .kind { display: inline-block; margin-left: 0.5rem; font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--gold); border: 1px solid var(--gold-40); padding: 0 0.4rem; border-radius: 3px; vertical-align: middle; }
.link-row .amount { font-family: var(--font-head); font-size: 1.25rem; color: var(--cream); }
.link-row .url { grid-column: 1 / -1; font-size: 0.8rem; color: var(--warm-sand); word-break: break-all; user-select: all; }
.link-row .btns { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: flex-end; }
.btn { font-family: var(--font-body); font-weight: 600; font-size: 0.95rem; border-radius: 4px; padding: 0.55rem 1rem; cursor: pointer; border: 2px solid var(--warm-sand); background: var(--warm-sand); color: var(--abyss); transition: background 0.15s, color 0.15s, transform 0.15s; min-height: 44px; }
.btn:hover, .btn:focus-visible { background: var(--gold); border-color: var(--gold); color: var(--abyss); }
.btn.primary { background: var(--gold); border-color: var(--gold); color: var(--abyss); }
.btn.primary:hover { background: var(--warm-sand); transform: translateY(-2px); box-shadow: 0 4px 18px var(--gold-40); }
.btn.copied { background: var(--ok); border-color: var(--ok); color: var(--abyss); }
.btn[disabled] { opacity: 0.55; cursor: wait; }

.panel { margin: 3rem 0 0; padding: 1.5rem 1rem; background: rgba(26, 42, 74, 0.55); border: 1px solid var(--gold-20); border-radius: 8px; }
fieldset { border: 0; padding: 0; margin: 0 0 1.4rem; min-width: 0; }
legend { font-family: var(--font-head); color: var(--warm-sand); font-size: 1.1rem; padding: 0; margin-bottom: 0.5rem; }
select, input[type="text"], input[type="number"] { font: inherit; color: var(--cream); background: var(--abyss); border: 1px solid var(--gold-40); border-radius: 4px; padding: 0.6rem 0.75rem; width: 100%; min-height: 44px; }
select:focus, input:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
.choices { display: grid; gap: 0.5rem; }
.choices label { display: grid; grid-template-columns: auto 1fr; gap: 0.75rem; align-items: start; padding: 0.7rem 0.85rem; border: 1px solid var(--gold-20); border-radius: 6px; cursor: pointer; background: rgba(10, 22, 40, 0.5); }
.choices label:has(input:checked) { border-color: var(--gold); background: rgba(201, 169, 110, 0.12); }
.choices input { margin-top: 0.35rem; accent-color: var(--gold); }
.choices b { display: block; color: var(--cream); font-weight: 600; }
.choices small { display: block; color: var(--warm-sand); font-size: 0.85rem; line-height: 1.4; }
.check { display: flex; gap: 0.6rem; align-items: center; margin-top: 0.75rem; cursor: pointer; }
.check input { accent-color: var(--gold); width: 20px; height: 20px; }
.money { display: flex; align-items: center; gap: 0.4rem; font-size: 1.3rem; font-family: var(--font-head); }
.money input { font-family: var(--font-body); font-size: 1.2rem; max-width: 12rem; }
.money.small { font-size: 1rem; font-family: var(--font-body); flex-wrap: wrap; margin-top: 0.9rem; }
.money.small input { font-size: 1rem; max-width: 9rem; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.row label { display: grid; gap: 0.3rem; color: var(--warm-sand); font-size: 0.9rem; }
.hint { color: var(--warm-sand); font-size: 0.9rem; margin: 0.5rem 0 0; }
.actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.status { color: var(--warm-sand); }
.status.bad { color: var(--bad); }

.req { display: grid; grid-template-columns: 1fr auto; gap: 0.35rem 1rem; align-items: center; padding: 0.85rem 1rem; border-top: 1px solid var(--gold-20); }
.req:first-child { border-top: 0; }
.req .meta { grid-column: 1 / -1; font-size: 0.85rem; color: var(--warm-sand); }
.req .state { font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }
.req .state.pending, .req .state.working { color: var(--warm-sand); }
.req .state.done { color: var(--ok); }
.req .state.error { color: var(--bad); }
.foot { color: var(--warm-sand); font-size: 0.9rem; margin: 2.5rem 0 3rem; max-width: 70ch; }
.toast { position: fixed; left: 50%; bottom: 1.5rem; transform: translate(-50%, 20px); background: var(--gold); color: var(--abyss); font-weight: 600; padding: 0.6rem 1.1rem; border-radius: 6px; opacity: 0; transition: opacity 0.2s, transform 0.2s; pointer-events: none; max-width: calc(100vw - 32px); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
@media (max-width: 560px) {
  .link-row { grid-template-columns: 1fr; }
  .link-row .btns { justify-content: flex-start; }
  .row { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { .btn, .toast { transition: none; } }

.past { margin: 2.5rem 0 0; }
.past summary { cursor: pointer; font-family: var(--font-head); color: var(--warm-sand); font-size: 1.2rem; padding: 0.5rem 0; }
.past .cohort { opacity: 0.85; }

.cohort header { justify-content: space-between; }
.cohort.collapsed .card { display: none; }
.btn.expand { margin-left: auto; box-shadow: 0 0 0 0 var(--gold-40); animation: glow 2.2s ease-in-out infinite; }
.cohort:not(.collapsed) .btn.expand { animation: none; background: var(--warm-sand); border-color: var(--warm-sand); }
@keyframes glow { 0%, 100% { box-shadow: 0 0 0 0 rgba(201, 169, 110, 0.55); } 50% { box-shadow: 0 0 18px 4px rgba(201, 169, 110, 0.55); } }
@media (prefers-reduced-motion: reduce) { .btn.expand { animation: none; box-shadow: 0 0 12px 2px var(--gold-40); } }
#bundle-which { margin-top: 0.6rem; display: grid; gap: 0.3rem; color: var(--warm-sand); font-size: 0.9rem; }
#bundle-which[hidden] { display: none; }