:root {
  --bg: #0f172a;
  --bg-2: #1e293b;
  --bg-3: #334155;
  --card: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #0ea5e9;
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

/* ---------- LOGIN ---------- */
.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  background: radial-gradient(circle at 30% 20%, #134e6f 0%, #0f172a 60%);
}
.login-card {
  background: var(--card); padding: 36px; border-radius: 16px;
  width: 340px; display: flex; flex-direction: column; gap: 14px;
  border: 1px solid var(--border); box-shadow: 0 20px 60px rgba(0,0,0,.45);
}
.login-logo { font-size: 42px; text-align: center; }
.login-card h1 { font-size: 20px; text-align: center; }
.login-sub { text-align: center; color: var(--muted); font-size: 13px; margin-top: -8px; }
.login-card label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.login-card input, .login-card button {
  padding: 11px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 14px;
}
.login-card button {
  background: var(--accent-2); color: #00131f; font-weight: 700; cursor: pointer; border: none; margin-top: 6px;
}
.login-card button:hover { background: var(--accent); }
.login-error { color: var(--red); font-size: 13px; min-height: 18px; text-align: center; }

/* ---------- LAYOUT ---------- */
#app { display: flex; min-height: 100vh; }
.sidebar {
  width: 230px; background: var(--bg-2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 18px 14px; position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; gap: 10px; align-items: center; margin-bottom: 22px; padding: 0 6px; }
.brand-icon { font-size: 26px; }
.brand strong { display: block; font-size: 15px; }
.brand small { color: var(--muted); font-size: 12px; }
nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-item {
  text-align: left; padding: 11px 12px; border-radius: 8px; border: none;
  background: transparent; color: var(--muted); cursor: pointer; font-size: 14px; transition: .15s;
}
.nav-item:hover { background: var(--bg-3); color: var(--text); }
.nav-item.active { background: var(--accent-2); color: #00131f; font-weight: 600; }
.sidebar-foot { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--muted); padding: 0 6px; }
.link-btn { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 12px; }

.content { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  padding: 14px 24px; border-bottom: 1px solid var(--border);
  background: var(--bg-2); position: sticky; top: 0; z-index: 500;
}
.range-picker { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.range-picker label { color: var(--muted); font-size: 13px; }
.range-picker select {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  padding: 7px 10px; border-radius: 7px; margin-left: 6px;
}
.ghost-btn {
  background: var(--bg-3); color: var(--text); border: 1px solid var(--border);
  padding: 7px 12px; border-radius: 7px; cursor: pointer; font-size: 13px;
}
.ghost-btn:hover { background: var(--border); }
.pill { font-size: 12px; color: var(--muted); margin-left: auto; }
.pill.ok { color: var(--green); }
.pill.err { color: var(--red); }

.view { padding: 24px; }
.hidden { display: none; }

/* ---------- CARDS / KPIs ---------- */
.kpi-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px; margin-bottom: 22px;
}
.kpi {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px;
}
.kpi .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.kpi .value { font-size: 26px; font-weight: 700; margin-top: 6px; }
.kpi .value.green { color: var(--green); }
.kpi .value.red { color: var(--red); }
.kpi .value.amber { color: var(--amber); }
.kpi .value.accent { color: var(--accent); }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; margin-bottom: 18px;
}
.card h3 { font-size: 15px; margin-bottom: 14px; display: flex; justify-content: space-between; align-items: center; }
.card h3 small { color: var(--muted); font-weight: 400; font-size: 12px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- TABLES ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
tbody tr:hover { background: var(--bg-3); }
.badge { padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge.green { background: rgba(34,197,94,.15); color: var(--green); }
.badge.red { background: rgba(239,68,68,.15); color: var(--red); }
.badge.amber { background: rgba(245,158,11,.15); color: var(--amber); }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- MAP ---------- */
#map { height: 70vh; border-radius: var(--radius); border: 1px solid var(--border); }
.map-legend { display: flex; gap: 16px; margin-bottom: 12px; font-size: 13px; color: var(--muted); align-items: center; }
.dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 5px; vertical-align: middle; }
.dot.green { background: var(--green); }
.dot.red { background: var(--red); }
.dot.gray { background: var(--muted); }

.chart-box { position: relative; height: 280px; }
.muted { color: var(--muted); }
.empty { text-align: center; color: var(--muted); padding: 30px; }

/* ---------- CONFIG ---------- */
.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; max-width: 320px; }
.form-row label { color: var(--muted); font-size: 13px; }
.form-row input, .form-row select {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  padding: 9px 11px; border-radius: 7px;
}
.primary-btn {
  background: var(--accent-2); color: #00131f; border: none; padding: 10px 18px;
  border-radius: 8px; font-weight: 700; cursor: pointer;
}
.primary-btn:hover { background: var(--accent); }
.toast {
  position: fixed; bottom: 24px; right: 24px; background: var(--bg-3);
  border: 1px solid var(--border); padding: 12px 18px; border-radius: 8px;
  opacity: 0; transition: opacity .25s; z-index: 9999;
}
.toast.show { opacity: 1; }
.toast.ok { border-color: var(--green); }
.toast.err { border-color: var(--red); }