:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #666;
  --border: #ddd;
  --accent: #0a6cff;
  --green: #0a7d00;
  --green-bg: #e6f7e3;
  --danger: #b00020;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --card: #1e1e1e;
    --text: #f0f0f0;
    --muted: #aaa;
    --border: #333;
    --accent: #4d9bff;
    --green: #5fd158;
    --green-bg: #16321a;
    --danger: #ff6b81;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, system-ui, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding-bottom: 5rem;
}

header {
  padding: 1rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

header h1 { margin: 0; font-size: 1.3rem; }

main { padding: 1rem; max-width: 600px; margin: 0 auto; }

.hidden { display: none !important; }

.scan-btn {
  display: block;
  width: 100%;
  padding: 1.2rem;
  font-size: 1.3rem;
  font-weight: bold;
  border: none;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  cursor: pointer;
}

.scan-btn:active { opacity: 0.8; }

.secondary-btn {
  padding: 0.8rem 1.2rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  margin-top: 0.5rem;
}

.status { text-align: center; color: var(--muted); min-height: 1.2em; }

.quota { text-align: center; font-size: 0.8rem; color: var(--muted); margin-bottom: 0.5rem; }

.banner {
  background: #fff3cd;
  color: #664d03;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

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

.card.hit { border-color: var(--green); background: var(--green-bg); }
.card.nosweat { border-color: var(--accent); }

.card h3 { margin: 0 0 0.3rem 0; font-size: 1rem; }
.card .meta { font-size: 0.85rem; color: var(--muted); margin-bottom: 0.5rem; }

.profit-line { font-size: 1.1rem; font-weight: bold; margin: 0.5rem 0; }
.profit-line.positive { color: var(--green); }
.profit-line.negative { color: var(--danger); }

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; margin-top: 0.5rem; }
th, td { text-align: left; padding: 0.3rem 0.4rem; border-bottom: 1px solid var(--border); }
.boosted-tag { color: var(--green); font-weight: bold; font-size: 0.75rem; }

.disclaimer { font-size: 0.75rem; color: var(--muted); text-align: center; margin-top: 2rem; }

.section-heading { font-size: 1rem; margin: 0.5rem 0; }
.type-tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: bold;
  letter-spacing: 0.03em;
  padding: 0.1rem 0.4rem;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  vertical-align: middle;
}
.hint { font-size: 0.85rem; color: var(--muted); margin: 0.3rem 0 0.5rem; }

.settings { margin-top: 1.5rem; }
.settings summary { cursor: pointer; padding: 0.5rem 0; font-weight: bold; }
.settings label { display: block; margin-top: 0.6rem; font-size: 0.85rem; }
.settings input { width: 100%; padding: 0.6rem; margin-top: 0.2rem; border-radius: 8px; border: 1px solid var(--border); background: var(--card); color: var(--text); }
.settings .checkbox-label { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.9rem; }
.settings .checkbox-label input[type="checkbox"] { width: auto; margin-top: 0; flex: none; }

form label { display: block; margin-top: 0.8rem; font-size: 0.9rem; }
form select, form input {
  width: 100%;
  padding: 0.8rem;
  margin-top: 0.3rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 1rem;
}

.promo-item .promo-actions { display: flex; gap: 0.4rem; margin-top: 0.7rem; flex-wrap: wrap; }
.promo-item .promo-actions button {
  padding: 0.45rem 0.9rem;
  font-size: 0.82rem;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
}
.promo-item .promo-actions .delete-btn { background: var(--danger); color: #fff; border-color: var(--danger); }

.boost-card { display: flex; justify-content: space-between; align-items: center; }
.boost-card .delete-btn {
  background: var(--danger);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.tabbar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  display: flex;
  background: var(--card);
  border-top: 1px solid var(--border);
}

.tab-link {
  flex: 1;
  padding: 1rem 0.25rem;
  border: none;
  background: none;
  color: var(--muted);
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
}

.tab-link.active { color: var(--accent); font-weight: bold; }