:root {
  --bg: #0f1320; --card: #171c2c; --line: #283049;
  --txt: #e6e9f2; --muted: #93a0bd; --accent: #4f7cff;
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--txt);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* --- Login --- */
.login-page { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.login-card {
  background: var(--card); padding: 32px; border-radius: var(--radius);
  width: 320px; display: flex; flex-direction: column; gap: 14px; border: 1px solid var(--line);
}
.login-card h1 { font-size: 18px; margin: 0; }
.login-card input, .login-card button {
  padding: 11px 13px; border-radius: 9px; border: 1px solid var(--line);
  background: #0f1320; color: var(--txt); font-size: 15px;
}
.login-card button { background: var(--accent); border: 0; color: #fff; cursor: pointer; font-weight: 600; }
.login-card .err { color: #ff7a7a; margin: 0; font-size: 13px; }
.login-card .muted { color: var(--muted); font-size: 12px; margin: 0; }

/* --- Topbar --- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 22px; border-bottom: 1px solid var(--line); position: sticky; top: 0;
  background: rgba(15,19,32,.92); backdrop-filter: blur(8px); z-index: 10;
}
.topbar h1 { font-size: 17px; margin: 0; font-weight: 600; }
.topbar h1 span { color: var(--accent); }
.periods { display: flex; gap: 8px; align-items: center; }
.periods a {
  color: var(--muted); text-decoration: none; padding: 6px 12px; border-radius: 8px;
  border: 1px solid transparent; font-size: 14px;
}
.periods a.active { color: #fff; background: var(--accent); }
.periods a.logout { color: var(--muted); border-color: var(--line); }

/* --- Layout --- */
.grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
  padding: 18px; max-width: 1200px; margin: 0 auto;
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px;
}
.card.wide { grid-column: 1 / -1; }
.card h2 { font-size: 14px; margin: 0 0 14px; font-weight: 600; letter-spacing: .2px; }
.card h2 .hint, .card h2 .num { font-weight: 400; color: var(--muted); font-size: 12px; }

/* --- KPIs --- */
.kpis { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 26px; justify-content: space-around; }
.kpi { display: flex; flex-direction: column; align-items: center; min-width: 90px; }
.kpi .num { font-size: 26px; font-weight: 700; }
.kpi .lbl { color: var(--muted); font-size: 12px; text-align: center; margin-top: 2px; }

/* --- Tables --- */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; }
td:not(:first-child), th:not(:first-child) { text-align: right; }
tbody tr:last-child td { border-bottom: 0; }
td.empty { color: var(--muted); text-align: center; padding: 18px; }

/* --- Map --- */
#map { height: 380px; border-radius: 10px; overflow: hidden; }
.leaflet-popup-content { color: #111; }

@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; }
}