:root {
  --bg: #0c1117;
  --panel: #141b24;
  --line: rgba(255, 255, 255, 0.08);
  --text: #eef3f8;
  --muted: #9aa8b8;
  --accent: #3ee0a2;
  --accent-ink: #06261a;
  --danger: #ff7a7a;
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Instrument Serif", Georgia, serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(62, 224, 162, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(90, 140, 255, 0.1), transparent 50%),
    var(--bg);
}

.shell { max-width: 920px; margin: 0 auto; padding: 1.25rem; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.brand {
  font-family: var(--display);
  font-size: 1.6rem;
  color: var(--text);
  text-decoration: none;
}
.meta { display: flex; gap: 0.75rem; align-items: center; color: var(--muted); font-size: 0.9rem; }
.panel, .search, .results .card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem;
}
.hidden { display: none !important; }
h1 { font-family: var(--display); font-weight: 400; font-size: 2rem; margin: 0 0 0.5rem; }
p { color: var(--muted); }
label { display: block; margin-bottom: 0.5rem; color: var(--muted); font-size: 0.85rem; }
input, textarea {
  width: 100%;
  background: #0a0f14;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  padding: 0.85rem 1rem;
  font: inherit;
  margin-bottom: 0.75rem;
}
button, .ghost {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1.1rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-ink);
}
.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.results { display: grid; gap: 0.75rem; }
.card h3 { margin: 0 0 0.25rem; font-size: 1.05rem; }
.card .sub { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.75rem; }
.card .row { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.score { color: var(--accent); font-weight: 700; }
.error { color: var(--danger); margin-top: 0.75rem; }

/* --- sample-mode banner + auth tabs ---------------------------------- */
.banner {
  background: rgba(255, 196, 87, 0.12);
  border: 1px solid rgba(255, 196, 87, 0.45);
  color: #ffc457;
  border-radius: 12px;
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  text-align: center;
}
.banner.inline { margin: 0 0 0.25rem; }
.sample-tag {
  display: inline-block;
  background: rgba(255, 196, 87, 0.15);
  border: 1px solid rgba(255, 196, 87, 0.5);
  color: #ffc457;
  border-radius: 6px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.1rem 0.4rem;
  margin-bottom: 0.5rem;
}
.tabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.tab {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  font-weight: 500;
}
.tab.active { background: var(--accent); color: var(--accent-ink); font-weight: 700; }
.reveal-out { margin-top: 0.5rem; font-size: 0.9rem; }