:root {
  --bg: #0a0a0c;
  --card: #141018;
  --ink: #f4f0e8;
  --mute: #8a8494;
  --red: #ff2d3d;
  --gold: #e8a54b;
  --line: #2a2430;
  --shop: #6bcf9a;
  --you: #7ec8ff;
  --tap: 52px;
  --font: "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh;
  font-family: var(--font); background: var(--bg); color: var(--ink);
  line-height: 1.5;
  background-image:
    radial-gradient(900px 400px at 10% -10%, #3a1020 0%, transparent 55%),
    radial-gradient(700px 300px at 100% 0%, #2a2010 0%, transparent 50%);
}
.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--gold); color: #000; padding: 0.75rem 1rem;
}
.skip:focus { left: 0; z-index: 50; }

.top {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: rgba(10,10,12,.9); position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(8px);
}
.brand {
  display: flex; gap: 0.75rem; align-items: center;
  text-decoration: none; color: var(--ink);
}
.brand strong {
  display: block; letter-spacing: 0.08em; color: var(--red); font-size: 1.15rem;
}
.brand small { color: var(--mute); }
.top nav { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.top nav a {
  color: var(--ink); text-decoration: none; font-weight: 700;
  padding: 0.5rem 0.75rem; border-radius: 999px; border: 1px solid transparent;
}
.top nav a:hover { border-color: var(--line); color: var(--gold); }

.main { max-width: 720px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
h1 { font-size: 1.85rem; margin: 0 0 0.5rem; letter-spacing: -0.02em; }
h2 { font-size: 1.2rem; color: var(--gold); margin: 1.5rem 0 0.65rem; }
.lead { color: var(--mute); font-size: 1.08rem; margin: 0 0 1.25rem; }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 1.25rem; margin: 1rem 0;
}
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0.85rem;
}
.action {
  display: block; text-decoration: none; color: var(--ink);
  background: var(--card); border: 2px solid var(--line); border-radius: 14px;
  padding: 1.15rem; min-height: 110px;
}
.action:hover { border-color: var(--red); }
.action strong { display: block; font-size: 1.15rem; margin-bottom: 0.35rem; }
.action span { color: var(--mute); font-size: 0.95rem; }

label { display: block; font-weight: 700; margin: 0.85rem 0 0.35rem; }
.input, select.input, textarea.input {
  width: 100%; min-height: var(--tap); font-size: 1.08rem;
  padding: 0.75rem 1rem; border-radius: 12px;
  border: 2px solid var(--line); background: #0c0c10; color: var(--ink);
  font-family: inherit;
}
textarea.input { min-height: 120px; resize: vertical; }
.input:focus { outline: 3px solid var(--gold); outline-offset: 2px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: var(--tap); padding: 0.75rem 1.25rem;
  border-radius: 12px; border: 2px solid transparent;
  font-size: 1.08rem; font-weight: 800; cursor: pointer; font-family: inherit;
  text-decoration: none;
}
.btn-xl { width: 100%; margin-top: 1rem; }
.btn-primary {
  background: linear-gradient(180deg, #ff5a45, #c41020);
  color: #fff; border-color: #ff7a6a;
}
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }

.status-hero {
  text-align: center; padding: 1.5rem 1rem;
  border-radius: 16px; border: 2px solid var(--red);
  background: linear-gradient(160deg, #2a1018, #141018);
  margin: 1rem 0;
}
.status-hero .plain { font-size: 1.45rem; font-weight: 800; color: var(--gold); }
.status-hero .num { font-family: ui-monospace, monospace; color: var(--mute); margin-top: 0.35rem; }

.timeline {
  display: flex; flex-direction: column; gap: 0.5rem; margin: 1rem 0;
}
.step {
  display: flex; gap: 0.75rem; align-items: center;
  padding: 0.65rem 0.85rem; border-radius: 10px; border: 1px solid var(--line);
  color: var(--mute);
}
.step.on { border-color: var(--gold); color: var(--ink); background: rgba(232,165,75,.08); }
.step.done { border-color: #2a4a38; color: var(--shop); }
.dot {
  width: 12px; height: 12px; border-radius: 50%; background: var(--line); flex-shrink: 0;
}
.step.on .dot { background: var(--gold); }
.step.done .dot { background: var(--shop); }

.messages {
  display: flex; flex-direction: column; gap: 0.75rem;
  max-height: 420px; overflow-y: auto; padding: 0.25rem;
}
.bubble {
  max-width: 92%; padding: 0.85rem 1rem; border-radius: 14px; font-size: 1.02rem;
}
.bubble.you {
  align-self: flex-end; background: rgba(126,200,255,.12);
  border: 1px solid rgba(126,200,255,.35);
}
.bubble.shop {
  align-self: flex-start; background: rgba(107,207,154,.1);
  border: 1px solid rgba(107,207,154,.35);
}
.bubble .who {
  font-size: 0.78rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 0.25rem;
}
.bubble.you .who { color: var(--you); }
.bubble.shop .who { color: var(--shop); }
.bubble .when { font-size: 0.78rem; color: var(--mute); margin-top: 0.35rem; }

.composer { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.75rem; }
.error {
  background: rgba(255,45,61,.12); border: 1px solid rgba(255,45,61,.4);
  color: #ffb0b6; padding: 0.75rem 1rem; border-radius: 10px; margin: 0.75rem 0;
}
.ok {
  background: rgba(107,207,154,.12); border: 1px solid rgba(107,207,154,.4);
  color: #b8f0d0; padding: 0.75rem 1rem; border-radius: 10px;
}
.meta { color: var(--mute); font-size: 0.95rem; }
.foot {
  border-top: 1px solid var(--line); padding: 1.5rem 1.25rem 2rem;
  text-align: center; color: var(--mute); font-size: 0.95rem;
}
.mute { color: var(--mute); }
.toast {
  position: fixed; bottom: 1.25rem; left: 50%; transform: translateX(-50%);
  background: var(--gold); color: #1a1005; font-weight: 800;
  padding: 0.85rem 1.25rem; border-radius: 999px; z-index: 40; max-width: 92vw;
}
.track {
  font-family: ui-monospace, monospace; background: #0c0c10;
  padding: 0.5rem 0.75rem; border-radius: 8px; border: 1px solid var(--line);
  word-break: break-all;
}
@media (max-width: 560px) {
  h1 { font-size: 1.5rem; }
  .top nav a { font-size: 0.9rem; padding: 0.4rem 0.55rem; }
}