:root {
  --bg: #0b0d11;
  --bg-gradient: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(47, 174, 92, 0.08), transparent);
  --card-bg: #1a1d24;
  --card-bg-hover: #20242d;
  --text: #eceff1;
  --muted: #9aa0a6;
  --opportunity: #35c26e;
  --stable: #6b7686;
  --observing: #565c66;
  --border: #262a33;
  --accent: #35c26e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2rem 1.5rem;
  max-width: 1100px;
  margin-inline: auto;
  background:
    var(--bg-gradient),
    var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.page-header {
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.page-header-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  font-size: 1.5rem;
  color: var(--accent);
  filter: drop-shadow(0 0 6px rgba(53, 194, 110, 0.5));
}

.page-header h1 {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: -0.01em;
}

.subtitle { margin: 0.1rem 0 0; color: var(--muted); font-size: 0.9rem; }

.stats {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.stat-pill {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  white-space: nowrap;
}

.stat-opportunity { color: var(--opportunity); border-color: rgba(53, 194, 110, 0.35); background: rgba(53, 194, 110, 0.08); }
.stat-stable { color: var(--text); border-color: var(--border); background: rgba(107, 118, 134, 0.1); }
.stat-observing { color: var(--muted); border-color: var(--border); background: rgba(86, 92, 102, 0.08); }

.banner {
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background: #3a1f1f;
  border: 1px solid #6b3232;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.loading { color: var(--muted); }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--observing);
  border-radius: 0.65rem;
  padding: 1.1rem 1.15rem;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  background: var(--card-bg-hover);
  transform: translateY(-1px);
}

.card.state-opportunity { border-left-color: var(--opportunity); }
.card.state-stable { border-left-color: var(--stable); }
.card.state-observing { border-left-color: var(--observing); opacity: 0.8; }

.card-name {
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0 0 0.6rem;
  letter-spacing: -0.005em;
}

.card-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
}

.state-opportunity .card-label { background: rgba(53, 194, 110, 0.16); color: var(--opportunity); }
.state-stable .card-label { background: rgba(107, 118, 134, 0.25); color: var(--text); }
.state-observing .card-label { background: rgba(86, 92, 102, 0.2); color: var(--muted); }

.card-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 0.75rem;
  font-size: 0.88rem;
}

.metric-label { color: var(--muted); }
.metric-value { text-align: right; font-variant-numeric: tabular-nums; font-weight: 500; }

.trend-alta::after { content: " ▲"; color: var(--opportunity); }
.trend-queda::after { content: " ▼"; color: #e5615a; }
.trend-estavel::after { content: " ▬"; color: var(--muted); }

.stale-tag {
  margin-top: 0.7rem;
  font-size: 0.75rem;
  color: #d9a441;
}

.page-footer {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}