:root {
  --bg:       #060a14;
  --panel:    #0d1526;
  --border:   #1a2d4a;
  --accent:   #00e5ff;
  --vessel:   #00e5ff;
  --aircraft: #bf5af2;
  --critical: #ff2d55;
  --high:     #ff6b35;
  --medium:   #ffd60a;
  --low:      #30d158;
  --text:     #e2e8f0;
  --muted:    #64748b;
  --font:     'Courier New', monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text); font-family: var(--font); font-size: 13px; }

/* LOGIN */
#login-overlay { position: fixed; inset: 0; background: var(--bg); display: flex; align-items: center; justify-content: center; z-index: 9999; }
#login-box { background: var(--panel); border: 1px solid var(--accent); padding: 40px; width: 380px; display: flex; flex-direction: column; gap: 14px; box-shadow: 0 0 60px rgba(0,229,255,0.12); }
.s-logo { font-size: 24px; color: var(--accent); letter-spacing: 5px; text-align: center; }
.s-sub  { color: var(--muted); font-size: 10px; text-align: center; letter-spacing: 2px; }
#login-box input { background: var(--bg); border: 1px solid var(--border); color: var(--text); padding: 10px; font-family: var(--font); outline: none; width: 100%; }
#login-box input:focus { border-color: var(--accent); }
#login-btn { background: var(--accent); color: var(--bg); border: none; padding: 12px; cursor: pointer; font-family: var(--font); font-weight: bold; letter-spacing: 2px; width: 100%; }
.error-msg { color: var(--critical); font-size: 11px; text-align: center; min-height: 16px; }

/* APP */
.hidden { display: none !important; }
#app { display: flex; flex-direction: column; min-height: 100vh; }

header { display: flex; align-items: center; justify-content: space-between; padding: 8px 16px; background: var(--panel); border-bottom: 1px solid var(--border); flex-shrink: 0; }
.logo { color: var(--accent); font-size: 16px; letter-spacing: 4px; }
.version { color: var(--muted); font-size: 10px; margin-left: 10px; }
.live-badge { color: var(--low); font-size: 11px; margin-right: 10px; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }
#user-badge { color: var(--accent); font-size: 11px; margin-right: 12px; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--muted); padding: 4px 10px; cursor: pointer; font-family: var(--font); font-size: 11px; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary { background: var(--accent); color: var(--bg); border: none; padding: 7px 14px; cursor: pointer; font-family: var(--font); font-size: 11px; letter-spacing: 1px; }
.btn-primary:hover { opacity: 0.85; }
.btn-danger { background: var(--critical); color: white; border: none; padding: 4px 10px; cursor: pointer; font-family: var(--font); font-size: 10px; }

/* STAT BAR */
.stat-bar { display: flex; gap: 0; background: var(--panel); border-bottom: 1px solid var(--border); flex-shrink: 0; }
.stat-item { padding: 8px 20px; border-right: 1px solid var(--border); font-size: 11px; }
.stat-val { font-size: 20px; color: var(--accent); font-weight: bold; display: block; }
.stat-val.red { color: var(--critical); }
.stat-val.purple { color: var(--aircraft); }
.stat-label { color: var(--muted); font-size: 10px; letter-spacing: 1px; }

/* MAP */
#map { width: 100%; height: 600px; position: relative; }

/* Override MapLibre popup default white background */
.maplibregl-popup-content {
  background: #0d1526 !important;
  border: 1px solid #1a2d4a !important;
  padding: 0 !important;
  border-radius: 0 !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.6) !important;
  color: #e2e8f0 !important;
}
.maplibregl-popup-tip {
  border-top-color: #1a2d4a !important;
  border-bottom-color: #1a2d4a !important;
}
.maplibregl-popup-close-button {
  color: #64748b !important;
  font-size: 16px !important;
  padding: 4px 6px !important;
  background: transparent !important;
}
.maplibregl-popup-close-button:hover {
  color: #00e5ff !important;
  background: transparent !important;
}

#map-legend {
  position: absolute;
  bottom: 28px;
  left: 10px;
  z-index: 10;
  background: rgba(10, 18, 40, 0.92);
  border: 1px solid #1a2d4a;
  padding: 8px 10px;
  font-family: 'Courier New', monospace;
  font-size: 10px;
  color: #94a3b8;
  min-width: 160px;
  pointer-events: none;
  backdrop-filter: blur(4px);
}

/* PANELS */
.panels-row { display: flex; flex-wrap: wrap; margin: 0; }
.panels-row.three-col > .panel { flex: 1 1 calc(33.333% - 0px); min-width: 250px; }
.panel { background: var(--panel); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 8px 10px; overflow-y: auto; max-height: 320px; flex: 1 1 50%; min-width: 300px; }
.panel > div[style*="max-height"], .panel > table { max-height: none !important; }
.panel:last-child { border-right: none; }
.panel.full-width { grid-column: 1 / -1; border-right: none; }
.panel.span-2 { grid-column: span 2; border-right: none; }
.panel h3 { color: var(--accent); font-size: 10px; letter-spacing: 2px; margin-bottom: 6px; padding-bottom: 4px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 4px; }
.badge { background: var(--critical); color: white; border-radius: 10px; padding: 1px 7px; font-size: 10px; }
.badge.blue { background: var(--accent); color: var(--bg); }
.badge.purple { background: var(--aircraft); color: white; }

/* TABLES */
.data-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.data-table th { color: var(--accent); text-align: left; padding: 5px 6px; border-bottom: 1px solid var(--border); font-size: 10px; letter-spacing: 1px; white-space: nowrap; }
.data-table td { padding: 5px 6px; border-bottom: 1px solid var(--border); color: var(--muted); white-space: nowrap; overflow: hidden; max-width: 120px; text-overflow: ellipsis; }
.data-table tr:hover td { background: rgba(0,229,255,0.04); color: var(--text); }
.data-table tr.alert-row td { color: var(--high); }
.data-table tr.critical-row td { color: var(--critical); }

/* ALERTS */
.alert-item { border-left: 3px solid var(--critical); padding: 6px 8px; margin-bottom: 4px; background: rgba(255,45,85,0.07); font-size: 11px; }
.alert-item.high   { border-color: var(--high);   background: rgba(255,107,53,0.07); }
.alert-item.medium { border-color: var(--medium);  background: rgba(255,214,10,0.07); }
.alert-header { display: flex; justify-content: space-between; margin-bottom: 3px; }
.alert-id { color: var(--accent); font-weight: bold; }
.alert-type { color: var(--muted); font-size: 10px; }
.alert-reason { color: #94a3b8; font-size: 11px; }

/* AUDIT */
.audit-table { width: 100%; border-collapse: collapse; font-size: 10px; }
.audit-table th { color: var(--accent); text-align: left; padding: 4px 6px; border-bottom: 1px solid var(--border); letter-spacing: 1px; }
.audit-table td { padding: 4px 6px; border-bottom: 1px solid var(--border); color: var(--muted); }
.chain-valid { color: var(--low); font-size: 11px; margin-bottom: 8px; }
.chain-invalid { color: var(--critical); font-size: 11px; margin-bottom: 8px; }

/* BOTTOM ROW */
.bottom-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.bottom-row .panel { border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.bottom-row .panel:last-child { border-right: none; }

/* FILTERS */
.filter-bar { display: flex; gap: 8px; align-items: center; padding: 8px 12px; background: var(--panel); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.filter-bar label { color: var(--muted); font-size: 11px; display: flex; align-items: center; gap: 6px; }
.filter-bar select, .filter-bar input { background: var(--bg); border: 1px solid var(--border); color: var(--text); padding: 4px 8px; font-family: var(--font); font-size: 11px; }

/* Compact panel summaries and lists */
[id$="-summary"], [id$="-status"] { padding: 2px 4px !important; margin-bottom: 2px; }
[id$="-list"] { margin-top: 2px !important; }
[id$="-list"]:empty, [id$="-summary"]:empty { display: none; }
.panel > p:only-child { margin: 0; }