:root {
  --bg: #0a0910;
  --panel: #13111c;
  --panel-2: #1a1726;
  --border: #2b2640;
  --text: #ebe8f5;
  --muted: #8f8aa8;
  --ghost: #e9e4ff;
  --green: #7cffb2;
  --violet: #b18cff;
  --red: #ff6b8b;
  --amber: #ffc56b;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 500px at 15% -10%, rgba(177, 140, 255, 0.12), transparent 60%),
    radial-gradient(900px 400px at 100% 0%, rgba(124, 255, 178, 0.08), transparent 60%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--green); }
code { font-family: var(--mono); font-size: 0.92em; color: var(--violet); }
.muted { color: var(--muted); }
#engine { font-size: 13px; }

.top { padding: 28px clamp(16px, 4vw, 48px) 0; max-width: 1280px; margin: 0 auto; }
.brand { display: flex; gap: 18px; align-items: center; }
.logo { width: 64px; height: 64px; filter: drop-shadow(0 0 18px rgba(177, 140, 255, 0.45)); animation: float 4s ease-in-out infinite; }
h1 { margin: 0; font-size: clamp(28px, 4vw, 40px); letter-spacing: 0.02em; }
.tagline { margin: 4px 0 0; color: var(--muted); max-width: 720px; }

.tabs { display: flex; gap: 6px; margin-top: 22px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.tabs button {
  background: none; border: 0; color: var(--muted); padding: 10px 16px; font-size: 15px; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs button.active { color: var(--text); border-bottom-color: var(--green); }

main { max-width: 1280px; margin: 0 auto; padding: 22px clamp(16px, 4vw, 48px) 40px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.controls { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
button {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 10px;
  padding: 9px 14px; font-size: 14px; cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--violet); }
button:disabled { opacity: 0.45; cursor: default; }
button.primary { background: linear-gradient(135deg, #3b2a6b, #1f5a44); border-color: #5b4a99; font-weight: 600; }
.speed { color: var(--muted); font-size: 14px; display: flex; gap: 6px; align-items: center; }
select { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 6px; }

.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; padding: 0; margin: 0 0 18px; list-style: none; counter-reset: s; }
.steps li {
  counter-increment: s; background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; font-size: 13px; color: var(--muted);
}
.steps li::before { content: counter(s) " · "; color: var(--violet); font-weight: 600; }
.steps li.done { color: var(--text); border-color: #3a3060; }
.steps li.current { color: var(--text); border-color: var(--green); box-shadow: 0 0 0 1px rgba(124, 255, 178, 0.25) inset; }

.ghosts { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.ghost {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 14px 12px 12px;
  text-align: center; cursor: pointer; transition: transform 0.2s, border-color 0.2s;
}
.ghost:hover { transform: translateY(-2px); }
.ghost.selected { border-color: var(--green); }
.ghost svg { width: 54px; height: 54px; opacity: 0.35; transition: opacity 0.4s; }
.ghost.joined svg { opacity: 0.8; }
.ghost.claimed svg { opacity: 1; filter: drop-shadow(0 0 12px rgba(124, 255, 178, 0.55)); }
.ghost .name { font-weight: 600; margin-top: 4px; }
.ghost .key { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 4px; word-break: break-all; }
.pill { display: inline-block; margin-top: 8px; font-size: 11px; padding: 2px 8px; border-radius: 999px; background: #221e33; color: var(--muted); }
.pill.joined { background: #2b2350; color: var(--violet); }
.pill.claimed { background: #18392a; color: var(--green); }

.log { margin: 14px 0 20px; color: var(--muted); min-height: 1.4em; }

.views { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.view, .lab, .round-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 16px; }
.view h2, .lab h2 { margin: 0; font-size: 18px; }
.sub { margin: 4px 0 12px; color: var(--muted); font-size: 13px; }
.rows { list-style: none; padding: 0; margin: 0 0 12px; display: grid; gap: 6px; }
.rows li {
  background: var(--panel-2); border-radius: 10px; padding: 8px 10px; font-size: 13px;
  display: flex; justify-content: space-between; gap: 8px; align-items: baseline;
}
.rows .mono, .mono { font-family: var(--mono); font-size: 12px; }
.rows .amt { color: var(--amber); white-space: nowrap; }
.rows .ok { color: var(--green); white-space: nowrap; }
.rows .no { color: var(--muted); white-space: nowrap; }
h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 10px 0 8px; }
.note { font-size: 12px; color: var(--muted); border-left: 2px solid var(--violet); padding-left: 10px; margin: 8px 0 0; }
.picker { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.picker button { padding: 5px 10px; font-size: 13px; }
.picker button.active { border-color: var(--green); color: var(--green); }
.totals { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; font-size: 14px; }
.totals .v { text-align: right; font-family: var(--mono); }
.check { margin-top: 12px; padding: 10px; border-radius: 10px; background: #15291f; color: var(--green); font-size: 13px; }
.check.bad { background: #331722; color: var(--red); }

.lab { margin-top: 16px; }
.lab-buttons { display: flex; gap: 8px; flex-wrap: wrap; }
.lab-results { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 6px; }
.lab-results li { background: var(--panel-2); border-radius: 10px; padding: 8px 12px; font-size: 13px; }
.lab-results .verdict { color: var(--red); font-family: var(--mono); }

.banner { padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; font-size: 14px; }
.banner.live { background: #15291f; color: var(--green); }
.banner.recorded { background: #33280f; color: var(--amber); }
.banner.empty { background: var(--panel-2); color: var(--muted); }
.round-card { margin-bottom: 14px; }
.round-card h2 { margin: 0 0 4px; font-size: 18px; }
.round-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin: 12px 0; }
.stat { background: var(--panel-2); border-radius: 10px; padding: 8px 10px; }
.stat .k { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.stat .v { font-size: 16px; margin-top: 2px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.how { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.how img { width: 100%; border-radius: 16px; border: 1px solid var(--border); background: var(--panel); }
.how-text li { margin-bottom: 10px; line-height: 1.5; }

footer { text-align: center; color: var(--muted); font-size: 12px; padding: 20px; border-top: 1px solid var(--border); }

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
@keyframes pop { from { transform: scale(0.96); opacity: 0.4; } to { transform: scale(1); opacity: 1; } }
.fresh { animation: pop 0.35s ease-out; }

@media (max-width: 960px) {
  .views, .cols, .how { grid-template-columns: 1fr; }
  .ghosts { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .ghosts { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .logo, .fresh { animation: none; }
}