:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --text-color: #c9d1d9;
    --text-muted: #8b949e;
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --border-color: #30363d;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
body { background-color: var(--bg-color); color: var(--text-color); padding-bottom: 40px; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.navbar { background-color: var(--card-bg); border-bottom: 1px solid var(--border-color); padding: 18px 0; margin-bottom: 20px; }
.logo-container { display: flex; justify-content: space-between; align-items: center; }

.badge-status { padding: 6px 12px; border-radius: 20px; font-size: 0.85rem; font-weight: bold; }
.badge-status.connected { background-color: rgba(63, 185, 80, 0.2); color: var(--accent-green); border: 1px solid var(--accent-green); }
.badge-status.disconnected { background-color: rgba(248, 81, 73, 0.2); color: var(--accent-red); border: 1px solid var(--accent-red); }

.card { background-color: var(--card-bg); border: 1px solid var(--border-color); border-radius: 8px; padding: 20px; margin-bottom: 20px; }
.search-form { display: flex; gap: 15px; align-items: flex-end; flex-wrap: wrap; }
.input-group { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 200px; }
label { font-size: 0.85rem; color: var(--text-muted); }
select { background-color: var(--bg-color); border: 1px solid var(--border-color); color: var(--text-color); padding: 10px; border-radius: 6px; outline: none; }

.btn { padding: 10px 20px; border: none; border-radius: 6px; font-weight: bold; cursor: pointer; }
.btn-primary { background-color: #238636; color: white; }
.btn-primary:hover { background-color: #2ea043; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 15px; margin-bottom: 20px; }
.stat-card { background-color: var(--card-bg); border: 1px solid var(--border-color); border-radius: 8px; padding: 18px; }
.stat-card h3 { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; }
.stat-value { font-size: 1.8rem; font-weight: bold; }
.stat-value.highlight { color: var(--accent-blue); font-size: 2.2rem; }

.prediction-card h2, .chart-card h2 { font-size: 1.1rem; margin-bottom: 15px; color: var(--accent-blue); }
.prediction-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px; }
.pred-box { background-color: var(--bg-color); border: 1px solid var(--border-color); padding: 15px; border-radius: 6px; display: flex; flex-direction: column; gap: 5px; }
.pred-box strong { font-size: 1.3rem; }

.chart-container { position: relative; height: 320px; width: 100%; }
.positive { color: var(--accent-green); }
.negative { color: var(--accent-red); }