/* Brief Matcher — mobile-first, dark neon theme */
:root {
  --bg: #0b0b12;
  --panel: #14141f;
  --ink: #f2f2f7;
  --muted: #a8a8b8;
  --neon: #00e5ff;
  --accent: #ff2fb3;
  --warn: #ffb02e;
  --line: #26263a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, #101020 0%, #0b0b12 60%);
}

.logo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--neon);
}

.site-header h1 { margin: 0; font-size: 1.5rem; letter-spacing: 0.02em; }
.subtitle { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.9rem; }

main { max-width: 720px; margin: 0 auto; padding: 1rem; }

.brief-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
}

.brief-box label { display: block; font-weight: 700; margin-bottom: 0.5rem; }

textarea {
  width: 100%;
  min-height: 76px;
  resize: vertical;
  background: #0e0e18;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 1rem;
}

textarea:focus { outline: 2px solid var(--neon); border-color: var(--neon); }

#match-btn {
  margin-top: 0.75rem;
  width: 100%;
  padding: 0.85rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: #04121a;
  background: linear-gradient(90deg, var(--neon), #7df9ff);
  border: none;
  border-radius: 10px;
  cursor: pointer;
}

#match-btn:active { transform: scale(0.99); }

.hint { color: var(--muted); font-size: 0.85rem; margin-bottom: 0; }

.meta { color: var(--muted); font-size: 0.95rem; }

.share-link { color: var(--neon); font-weight: 700; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  margin: 1rem 0;
}

.card-head { display: flex; gap: 0.75rem; align-items: flex-start; }

.rank {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--neon);
  min-width: 2.5rem;
}

.card h2 { margin: 0; font-size: 1.2rem; }
.artist { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.9rem; }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
  vertical-align: middle;
}
.badge-exp { color: #ff8a8a; border-color: #5a2b2b; }
.badge-clean { color: #9dffa8; border-color: #2b5a36; }

.score {
  font-weight: 800;
  color: var(--warn);
  margin: 0.75rem 0 0.25rem;
}

.reasons, .tags { font-size: 0.9rem; margin: 0.25rem 0; }
.reasons { color: var(--ink); }
.tags { color: var(--muted); }

.placement { font-size: 0.88rem; color: #9dffa8; }
.placement a { color: #9dffa8; }

.clearance {
  font-size: 0.85rem;
  font-weight: 700;
  color: #ff8a8a;
  border-top: 1px dashed var(--line);
  padding-top: 0.6rem;
}

.embed { border-radius: 8px; margin: 0.5rem 0; }

.copy-btn {
  width: 100%;
  padding: 0.7rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--neon);
  border-radius: 10px;
  cursor: pointer;
}
.copy-btn:hover { background: rgba(0, 229, 255, 0.08); }

.how, .machine {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem;
  margin-top: 1.5rem;
}

.how h2, .machine h2 { margin-top: 0; font-size: 1.1rem; }
.how ol { padding-left: 1.25rem; margin: 0.5rem 0; }
.how li { margin: 0.3rem 0; }

.disclaimer {
  background: rgba(255, 176, 46, 0.08);
  border: 1px solid var(--warn);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  font-size: 0.9rem;
}

details { margin-top: 0.75rem; }
summary { cursor: pointer; font-weight: 700; color: var(--neon); }

.synonyms { display: grid; grid-template-columns: auto 1fr; gap: 0.15rem 0.75rem; font-size: 0.85rem; }
.synonyms dt { font-weight: 700; color: var(--accent); }
.synonyms dd { margin: 0; color: var(--muted); }

.machine a, .truth-footer a { color: var(--neon); overflow-wrap: anywhere; }
.machine code { background: #0e0e18; padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.85rem; }

.truth-footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  margin-top: 1.5rem;
}
.truth-footer h2 { font-size: 1rem; color: var(--ink); }
.truth-footer ul { padding-left: 1.25rem; }
.truth-footer li { margin: 0.35rem 0; }

@media (min-width: 640px) {
  #match-btn { width: auto; padding: 0.85rem 2.5rem; }
  .site-header h1 { font-size: 1.8rem; }
}