/* Mercatus Cartel Event — static mockups. Red / black / white. High-end minimal. */
:root {
  --red: #C8102E;
  --red-dim: #9A0C23;
  --black: #0A0A0A;
  --ink: #111111;
  --white: #FFFFFF;
  --muted: #8A8A8A;
  --line: #2A2A2A;
  --panel: #141414;
  --panel-2: #1A1A1A;
  --ok: #E8E8E8;
  --warn: #C8102E;
  --radius: 10px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--black); color: var(--white);
  font-family: var(--font); font-size: 15px; line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--white); text-decoration: none; }
a:hover { color: var(--red); }
img { display: block; max-width: 100%; }

.app {
  min-height: 100dvh;
  display: flex; flex-direction: column;
  max-width: 480px; margin: 0 auto;
  border-left: 1px solid var(--line); border-right: 1px solid var(--line);
  background: var(--black);
}
@media (min-width: 900px) {
  .app { max-width: 560px; margin: 24px auto; border: 1px solid var(--line); border-radius: 14px; min-height: calc(100dvh - 48px); overflow: hidden; }
}

.topbar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(10,10,10,0.92); backdrop-filter: blur(8px); z-index: 10;
}
.topbar .mark { width: 16px; height: 16px; flex: 0 0 16px; }
.topbar .wordmark {
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 600; color: var(--white);
}
.topbar .wordmark span { color: var(--muted); font-weight: 400; }
.topbar .spacer { flex: 1; }
.topbar .chip {
  font-size: 11px; color: var(--muted); border: 1px solid var(--line);
  padding: 3px 8px; border-radius: 999px;
}

.main { flex: 1; padding: 20px 16px 32px; }
.footer {
  padding: 14px 16px 20px; border-top: 1px solid var(--line);
  font-size: 11px; color: var(--muted); text-align: center;
}

h1 { font-size: 22px; font-weight: 600; margin: 0 0 6px; letter-spacing: -0.02em; }
h2 { font-size: 15px; font-weight: 600; margin: 22px 0 10px; letter-spacing: -0.01em; }
.lead { color: var(--muted); margin: 0 0 18px; font-size: 14px; }
.kicker {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--red); font-weight: 600; margin: 0 0 8px;
}

.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 14px; margin: 0 0 12px;
}
.card.flat { background: transparent; }
.card .title { font-size: 14px; font-weight: 600; margin: 0 0 4px; }
.card .meta { font-size: 12px; color: var(--muted); }
.row { display: flex; align-items: center; gap: 10px; }
.row.between { justify-content: space-between; }
.stack { display: flex; flex-direction: column; gap: 10px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 16px; border-radius: 8px;
  border: 1px solid transparent; font: inherit; font-weight: 600; font-size: 14px;
  cursor: pointer; user-select: none;
}
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-dim); }
.btn-ghost { background: transparent; color: var(--white); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--muted); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-assist {
  background: transparent; color: var(--muted); border: 1px dashed var(--line);
  font-weight: 500; font-size: 12px; min-height: 36px; letter-spacing: 0.04em;
}
.btn-assist.active { color: var(--red); border-color: var(--red); }

.gate {
  border: 1px solid var(--red); background: rgba(200,16,46,0.08);
  border-radius: var(--radius); padding: 12px 14px; margin: 0 0 14px;
  font-size: 13px;
}
.gate strong { color: var(--red); }
.gate ul { margin: 8px 0 0; padding-left: 18px; color: var(--ok); }

.check {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px 0; border-bottom: 1px solid var(--line);
}
.check:last-child { border-bottom: none; }
.check input { margin-top: 3px; accent-color: var(--red); width: 18px; height: 18px; }
.check label { font-size: 13px; color: var(--ok); }

.toggle {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line);
}
.toggle:last-child { border-bottom: none; }
.toggle .label { font-size: 14px; }
.toggle .hint { font-size: 12px; color: var(--muted); margin-top: 2px; }
.switch {
  position: relative; width: 42px; height: 24px; flex: 0 0 42px;
  background: var(--line); border-radius: 999px; cursor: pointer; border: none;
}
.switch::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px; border-radius: 50%; background: var(--white);
  transition: transform .18s ease;
}
.switch.on { background: var(--red); }
.switch.on::after { transform: translateX(18px); }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; padding: 3px 8px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted);
}
.badge.red { border-color: var(--red); color: var(--red); }
.badge.solid { background: var(--red); color: var(--white); border-color: var(--red); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 12px; }
.stat .n { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; }
.stat .l { font-size: 11px; color: var(--muted); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.06em; }

.list-link {
  display: flex; align-items: center; gap: 12px;
  padding: 14px; border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 8px; background: var(--panel); transition: border-color .15s;
}
.list-link:hover { border-color: var(--red); }
.list-link .num {
  width: 28px; height: 28px; border-radius: 6px; background: var(--black);
  border: 1px solid var(--line); display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; color: var(--red); flex: 0 0 28px;
}
.list-link .t { font-size: 14px; font-weight: 600; }
.list-link .d { font-size: 12px; color: var(--muted); }
.list-link .arrow { margin-left: auto; color: var(--muted); font-size: 16px; }

.progress {
  height: 4px; background: var(--line); border-radius: 999px; overflow: hidden; margin: 8px 0 0;
}
.progress > i { display: block; height: 100%; background: var(--red); width: 0%; }

.photo-slot {
  aspect-ratio: 4/3; border: 1px dashed var(--line); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 12px; background: var(--panel-2);
}
.photo-slot.filled { border-style: solid; border-color: var(--red); color: var(--white); background: #1a0a0e; }

.tabs { display: flex; gap: 4px; margin-bottom: 14px; }
.tab {
  flex: 1; text-align: center; padding: 10px; border-radius: 8px;
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  font: inherit; font-size: 13px; font-weight: 600; cursor: pointer;
}
.tab.on { border-color: var(--red); color: var(--white); background: rgba(200,16,46,0.12); }

.timeline { border-left: 2px solid var(--line); margin: 8px 0 0 8px; padding-left: 14px; }
.timeline .step { position: relative; padding: 0 0 14px; }
.timeline .step::before {
  content: ""; position: absolute; left: -19px; top: 4px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--line);
}
.timeline .step.done::before { background: var(--red); }
.timeline .step .t { font-size: 13px; font-weight: 600; }
.timeline .step .d { font-size: 12px; color: var(--muted); }

.pill-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.mono { font-family: var(--mono); font-size: 12px; }
.muted { color: var(--muted); }
.hr { height: 1px; background: var(--line); border: 0; margin: 18px 0; }
.assist-strip {
  margin-top: 10px; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--panel-2);
  font-size: 12px; color: var(--muted); display: none;
}
.assist-strip.show { display: block; }
.assist-strip .label { color: var(--red); font-weight: 600; margin-right: 6px; }

.nav-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--muted); margin-bottom: 14px;
}
.nav-back:hover { color: var(--white); }

.ladder { display: flex; flex-direction: column; gap: 8px; }
.rung {
  display: flex; align-items: center; gap: 12px;
  padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel);
}
.rung.earned { border-color: var(--red); }
.rung .lvl {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: var(--muted);
}
.rung.earned .lvl { border-color: var(--red); color: var(--red); }

.friend {
  display: flex; align-items: center; gap: 12px;
  padding: 12px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 8px;
  background: var(--panel);
}
.avatar {
  width: 36px; height: 36px; border-radius: 50%; background: var(--panel-2);
  border: 1px solid var(--line); display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: var(--red); flex: 0 0 36px;
}
.friend .info { flex: 1; min-width: 0; }
.friend .name { font-size: 14px; font-weight: 600; }
.friend .loc { font-size: 12px; color: var(--muted); }
.friend .price { font-family: var(--mono); font-size: 13px; color: var(--white); white-space: nowrap; }

.gallery {
  display: grid; grid-template-columns: 1fr; gap: 12px;
}
@media (min-width: 700px) {
  .app.wide { max-width: 920px; }
  .gallery { grid-template-columns: 1fr 1fr; }
}
.diagram-card {
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--panel);
}
.diagram-card img { width: 100%; background: #0A0A0A; }
.diagram-card .cap { padding: 10px 12px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); }
.diagram-card .cap strong { color: var(--white); display: block; margin-bottom: 2px; font-size: 13px; }

.hidden { display: none !important; }