dashboard/src/App.css

:root {
  --bg: #0f172a; --bg2: #1e293b; --bg3: #334155;
  --card: #1e293b; --border: #334155; --border-hi: #475569;
  --accent: #f97316; --accent2: #fb923c;
  --green: #10b981; --blue: #3b82f6; --purple: #8b5cf6; --cyan: #06b6d4; --red: #ef4444;
  --txt: #f1f5f9; --txt2: #94a3b8; --txt3: #64748b;
  --sans: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--sans); background: var(--bg); color: var(--txt); }

.app-layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: var(--bg2); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; z-index: 100; }
.sidebar-header { padding: 16px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); }
.logo-mark { width: 32px; height: 32px; background: linear-gradient(135deg, var(--accent), #ea580c); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: white; font-weight: 800; font-size: 12px; }
.logo-text { font-weight: 700; font-size: 15px; }
.sidebar-nav { flex: 1; padding: 12px 8px; display: flex; flex-direction: column; gap: 2px; }
.nav-link { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; text-decoration: none; color: var(--txt3); font-size: 13px; font-weight: 500; transition: all 0.2s; }
.nav-link:hover { color: var(--txt); background: var(--bg3); }
.nav-link.active { color: var(--accent); background: rgba(249,115,22,0.1); }
.sidebar-footer { padding: 12px 16px; border-top: 1px solid var(--border); }
.system-status { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--green); }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

.main-content { margin-left: 220px; flex: 1; padding: 24px; }
.page { max-width: 1400px; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.page-header h1 { font-size: 22px; font-weight: 700; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-actions label { font-size: 12px; color: var(--txt2); display: flex; align-items: center; gap: 6px; }
.header-actions input[type="number"] { width: 60px; padding: 4px 8px; background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; color: var(--txt); font-size: 12px; }

.btn { padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 600; border: none; cursor: pointer; display: flex; align-items: center; gap: 6px; transition: all 0.2s; }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent2); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.kpi-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; display: flex; gap: 12px; transition: border-color 0.2s; }
.kpi-card:hover { border-color: var(--border-hi); }
.kpi-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.kpi-value { font-size: 22px; font-weight: 700; }
.kpi-label { font-size: 12px; color: var(--txt2); margin-top: 2px; }
.kpi-trend { font-size: 11px; color: var(--txt3); margin-top: 4px; }

.charts-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.chart-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.chart-card.full-width { grid-column: 1 / -1; }
.chart-card h3 { font-size: 13px; font-weight: 600; color: var(--txt2); margin-bottom: 12px; }

.metric-list { display: flex; flex-direction: column; gap: 10px; }
.metric-row { display: flex; justify-content: space-between; align-items: center; font-size: 13px; padding: 6px 0; border-bottom: 1px solid var(--border); }
.metric-row span { color: var(--txt2); }
.metric-row strong { color: var(--txt); }

.badge { font-size: 11px; padding: 4px 10px; border-radius: 20px; font-weight: 600; }
.badge-green { background: rgba(16,185,129,0.15); color: var(--green); }
.badge-yellow { background: rgba(251,191,36,0.15); color: #fbbf24; }
.badge-red { background: rgba(239,68,68,0.15); color: var(--red); }

.fleet-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.fleet-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 14px; display: flex; gap: 12px; }
.fleet-icon { color: var(--blue); }
.fleet-name { font-size: 13px; font-weight: 600; }
.fleet-status { font-size: 11px; color: var(--green); }
.fleet-location { font-size: 11px; color: var(--txt3); display: flex; align-items: center; gap: 4px; margin-top: 4px; }

.table-container { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { text-align: left; padding: 10px 12px; background: var(--bg2); color: var(--txt2); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 1px solid var(--border); }
.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
.data-table tr:hover td { background: rgba(51,65,85,0.5); }
.mono { font-family: var(--mono); font-size: 11px; }
.status-badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 500; }
.status-pending { background: rgba(251,191,36,0.15); color: #fbbf24; }
.status-in_transit { background: rgba(59,130,246,0.15); color: var(--blue); }
.status-delivered { background: rgba(16,185,129,0.15); color: var(--green); }
.status-failed { background: rgba(239,68,68,0.15); color: var(--red); }

.insight-list { display: flex; flex-direction: column; gap: 8px; }
.insight { font-size: 12px; padding: 8px 10px; border-radius: 6px; border-left: 3px solid var(--border); background: var(--bg); }
.insight-high { border-color: var(--red); } .insight-medium { border-color: var(--accent); } .insight-low { border-color: var(--green); }
.insight-type { font-size: 10px; text-transform: uppercase; font-weight: 600; color: var(--txt3); margin-right: 6px; }

.analytics-summary { display: grid; grid-template-columns: 1fr; gap: 16px; }
.summary-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.summary-card h4 { font-size: 14px; margin-bottom: 12px; color: var(--txt2); }

.error-state { padding: 20px; background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); border-radius: 8px; color: var(--red); font-size: 13px; }
.empty-state { padding: 40px; text-align: center; color: var(--txt3); font-size: 14px; }
.loading-state { padding: 40px; text-align: center; color: var(--txt2); font-size: 14px; }
.spin { animation: spin 1s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.brain-status { display: flex; align-items: center; gap: 8px; }