:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --text: #17212b;
  --muted: #637381;
  --border: #d8dee6;
  --primary: #1f6feb;
  --primary-dark: #1557b0;
  --danger: #c62828;
  --ok: #1b7f3a;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; color: var(--text); background: var(--bg); }
button, input { font: inherit; }
button { cursor: pointer; border: 1px solid var(--border); background: #fff; border-radius: 10px; padding: 0.55rem 0.75rem; }
button:hover { background: #f7f9fb; }
button.primary { background: var(--primary); color: white; border-color: var(--primary); }
button.primary:hover { background: var(--primary-dark); }
button.danger { background: #fff5f5; color: var(--danger); border-color: #f0b4b4; }
button.full { width: 100%; margin-bottom: 0.5rem; }
button.small { padding: 0.35rem 0.5rem; border-radius: 8px; }
input { border: 1px solid var(--border); border-radius: 10px; padding: 0.55rem 0.65rem; width: 100%; }
input[type="color"] { padding: 0.1rem; height: 2.2rem; width: 4rem; }
code { background: #eef2f7; padding: 0.1rem 0.25rem; border-radius: 6px; }

.login-view { min-height: 100%; display: grid; place-items: center; padding: 1rem; }
.login-card { width: min(430px, 100%); background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 1.4rem; box-shadow: 0 16px 45px rgba(15, 23, 42, 0.12); }
.login-card h1 { margin: 0 0 0.25rem; }
.stack { display: grid; gap: 0.75rem; }
.stack label { display: grid; gap: 0.25rem; font-weight: 600; }
.error { color: var(--danger); }
.hint { color: var(--muted); font-size: 0.9rem; line-height: 1.35; }

.app-view { height: 100%; display: grid; grid-template-rows: auto 1fr; }
.topbar { min-height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.65rem 1rem; background: var(--panel); border-bottom: 1px solid var(--border); }
.topbar-user { display: flex; align-items: center; gap: 0.55rem; }
.color-dot { width: 1rem; height: 1rem; border-radius: 999px; border: 1px solid rgba(0,0,0,0.2); display: inline-block; }
.status-pill { display: inline-flex; align-items: center; border-radius: 999px; background: #eef2f7; color: var(--muted); padding: 0.2rem 0.55rem; margin-left: 0.5rem; font-size: 0.85rem; }
.status-pill.busy { color: #805600; background: #fff4cc; }
.status-pill.error { color: #8a1c1c; background: #ffe5e5; }
.status-pill.ok { color: var(--ok); background: #e6f7ed; }

.layout { min-height: 0; display: grid; grid-template-columns: 390px 1fr; }
.sidebar { overflow: auto; border-right: 1px solid var(--border); background: #f7f9fb; padding: 0.75rem; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 0.8rem; margin-bottom: 0.75rem; }
.panel h2 { margin: 0 0 0.7rem; font-size: 1.05rem; }
.map-section { min-height: 0; position: relative; }
#map { height: 100%; width: 100%; }
.checkbox-row { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; color: var(--text); }
.checkbox-row input { width: auto; }
.inline-label { display: flex !important; align-items: center; justify-content: space-between; gap: 0.75rem; }

.legend { display: grid; gap: 0.35rem; }
.legend-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.92rem; }
.legend-line { width: 2.2rem; height: 0.55rem; border-radius: 999px; opacity: 0.65; }

.history-wrapper { max-height: 300px; overflow: auto; border: 1px solid var(--border); border-radius: 10px; }
.history-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.history-table th, .history-table td { padding: 0.45rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.history-table th { background: #f2f5f8; position: sticky; top: 0; z-index: 1; text-align: left; }
.status-active { color: var(--ok); font-weight: 700; }
.status-revoked { color: var(--danger); font-weight: 700; }
.status-superseded { color: var(--muted); font-weight: 700; }

.small-form { gap: 0.5rem; }
.users-list { display: grid; gap: 0.45rem; margin-top: 0.75rem; }
.user-row { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 0.45rem; border: 1px solid var(--border); border-radius: 10px; padding: 0.45rem; }
.user-row .meta { display: grid; gap: 0.05rem; }
.user-row small { color: var(--muted); }
.user-actions { display: flex; gap: 0.25rem; }

.popup-title { font-weight: 800; margin-bottom: 0.35rem; }
.popup-meta { color: var(--muted); margin-bottom: 0.55rem; }
.popup-actions { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.leaflet-popup-content button { margin: 0; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; grid-template-rows: 45vh 1fr; }
  .map-section { grid-row: 1; }
  .sidebar { grid-row: 2; border-right: 0; border-top: 1px solid var(--border); }
  .topbar { flex-wrap: wrap; }
}