:root {
  --bg: #0b1220;
  --bg2: #0f172a;
  --panel: #121c31;
  --panel2: #16223c;
  --line: #22304f;
  --text: #e6edf7;
  --muted: #93a4c3;
  --accent: #38bdf8;
  --accent2: #818cf8;
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --topbar-bg: rgba(10, 17, 32, 0.9);
  --row-bg: rgba(255, 255, 255, 0.03);
  --input-bg: #0b1426;
  --code-bg: #0b1426;
  --map-bg: #0a1122;
  --radar-bg: #050b18;
  --btn-fg: #06263a;
  --alert-bg: #451a1a;
  --alert-fg: #fecaca;
  --alert-border: #7f1d1d;
  --alert2-bg: #3b2f0b;
  --alert2-fg: #fde68a;
  --alert2-border: #78350f;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

:root[data-theme="light"] {
  --bg: #eef2f8;
  --bg2: #dfe7f1;
  --panel: #ffffff;
  --panel2: #f4f7fb;
  --line: #ccd7e6;
  --text: #17233a;
  --muted: #56677f;
  --accent: #0369a1;
  --accent2: #4338ca;
  --ok: #047857;
  --warn: #b45309;
  --danger: #dc2626;
  --topbar-bg: rgba(255, 255, 255, 0.92);
  --row-bg: rgba(2, 32, 71, 0.045);
  --input-bg: #ffffff;
  --code-bg: #e8eef7;
  --map-bg: #d9e2ef;
  --radar-bg: #cdd8e8;
  --btn-fg: #ffffff;
  --alert-bg: #fde8e8;
  --alert-fg: #991b1b;
  --alert-border: #fca5a5;
  --alert2-bg: #fef3c7;
  --alert2-fg: #92400e;
  --alert2-border: #fcd34d;
  --shadow: 0 8px 24px rgba(30, 50, 90, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  color: var(--text);
  font-family: "Sarabun", "Noto Sans Thai", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  min-height: 100vh;
}

/* ===== top bar ===== */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 1200;
  backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon { font-size: 30px; }
.topbar h1 { font-size: 18px; margin: 0; font-weight: 700; }
.topbar .sub { color: var(--muted); font-size: 13px; }
.top-right { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
.clock { font-size: 22px; font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.refresh-info { text-align: right; font-size: 12px; color: var(--muted); line-height: 1.4; }
.countdown { display: block; color: var(--accent2); }

.btn {
  background: var(--accent);
  color: var(--btn-fg);
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-weight: 700;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn.active { background: var(--accent2); color: #fff; }

/* ===== banners ===== */
.alert-banner, .offline-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  font-weight: 600;
}
.alert-banner { background: var(--alert-bg); color: var(--alert-fg); border-bottom: 1px solid var(--alert-border); }
.alert-banner.severity-low { background: var(--alert2-bg); color: var(--alert2-fg); border-color: var(--alert2-border); }
.offline-banner { background: var(--alert-bg); color: var(--alert-fg); justify-content: center; }
.alert-icon { font-size: 20px; }
.alert-banner .btn { margin-left: auto; }
.hidden { display: none !important; }

/* ===== layout ===== */
.container { padding: 16px 20px 40px; max-width: 1600px; margin: 0 auto; }
section { margin-bottom: 16px; }

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: 12px;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-map { display: grid; grid-template-columns: 3fr 2fr; gap: 16px; }
.span-2 { grid-column: 1 / -1; }

@media (max-width: 1250px) {
  .kpi-grid { grid-template-columns: repeat(auto-fit, minmax(155px, 1fr)); }
  .grid-map { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .kpi-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
  .grid-2 { grid-template-columns: 1fr; }
  .topbar h1 { font-size: 15px; }
}

.card {
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel2) 100%);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.card h2 { font-size: 15px; margin: 0; font-weight: 700; }
.mini-title { font-size: 13px; color: var(--muted); margin: 14px 0 6px; }

/* ===== KPI ===== */
.kpi { padding: 12px 14px; }
.kpi-label { font-size: 12.5px; color: var(--muted); min-height: 32px; }
.kpi-value { font-size: 34px; font-weight: 700; line-height: 1.1; margin-top: 4px; color: var(--text); }
.kpi-value small { font-size: 13px; color: var(--muted); margin-left: 5px; font-weight: 600; }
.kpi-note { font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.kpi-accent { border-color: var(--accent2); box-shadow: 0 0 0 1px rgba(129, 140, 248, 0.35) inset; }
.kpi-accent .kpi-value { color: var(--accent); }
.kpi-value.level-warn { color: var(--warn) !important; }
.kpi-value.level-danger { color: var(--danger) !important; animation: pulse 1.6s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.55; } }

/* ===== charts ===== */
.chart-wrap { position: relative; height: 260px; }
.chart-wrap.tall { height: 330px; }
.legend { display: flex; gap: 12px; font-size: 12px; color: var(--muted); flex-wrap: wrap; }
.lg::before { content: "■"; margin-right: 4px; }
.lg-past::before { color: var(--accent); }
.lg-fc::before { color: var(--accent2); }
.lg-cum::before { color: var(--warn); }
.range-switch { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }

/* ===== map / radar ===== */
#map {
  height: 420px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--map-bg);
}
.map-note { font-size: 12px; color: var(--muted); margin-top: 6px; }
.switch { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; cursor: pointer; }
.radar-frame {
  position: relative;
  height: 420px;
  background: var(--radar-bg);
  border-radius: 10px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.radar-frame img { max-width: 100%; max-height: 100%; object-fit: contain; }
.radar-time {
  position: absolute;
  bottom: 8px;
  left: 10px;
  background: rgba(0, 0, 0, 0.65);
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--accent);
}

/* ===== tables ===== */
.table-wrap { overflow: auto; max-height: 340px; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { padding: 7px 8px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: var(--panel2); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:hover td { background: rgba(56, 189, 248, 0.06); }
.badge { padding: 1px 7px; border-radius: 999px; font-size: 11.5px; font-weight: 700; }
.badge-ok { background: rgba(52, 211, 153, 0.15); color: var(--ok); }
.badge-warn { background: rgba(251, 191, 36, 0.15); color: var(--warn); }
.badge-danger { background: rgba(248, 113, 113, 0.15); color: var(--danger); }

/* ===== warnings / sources ===== */
.warnings { font-size: 13.5px; color: var(--muted); margin-bottom: 10px; }
.warning-item { border-left: 3px solid var(--warn); padding: 6px 10px; margin-bottom: 8px; background: rgba(251, 191, 36, 0.06); border-radius: 0 8px 8px 0; }
.warning-item b { color: var(--text); }
.warning-item .w-desc { color: var(--muted); font-size: 12.5px; margin-top: 3px; }

.sources-box { display: flex; flex-direction: column; gap: 6px; }
.source-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 6px 8px;
  background: var(--row-bg);
  border-radius: 8px;
}
.dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.dot-ok { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.dot-err { background: var(--danger); box-shadow: 0 0 8px var(--danger); }
.dot-warn { background: var(--warn); box-shadow: 0 0 8px var(--warn); }
.source-name { min-width: 130px; font-weight: 600; }
.source-meta { color: var(--muted); font-size: 12px; }

/* ===== rules ===== */
.rules-box { display: flex; flex-direction: column; gap: 8px; }
.rule-row {
  display: grid;
  grid-template-columns: 24px 1fr 90px 60px 70px;
  gap: 8px;
  align-items: center;
  background: var(--row-bg);
  padding: 7px 9px;
  border-radius: 8px;
  font-size: 13px;
}
.rule-row input[type="text"], .rule-row input[type="number"] {
  background: var(--input-bg);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 6px;
  padding: 5px 7px;
  font-family: inherit;
  font-size: 13px;
  width: 100%;
}
.rule-unit, .rule-op { color: var(--muted); font-size: 12.5px; text-align: center; }
.hint { font-size: 12px; color: var(--muted); margin-top: 10px; line-height: 1.6; }
.hint code, code { background: var(--code-bg); padding: 1px 5px; border-radius: 5px; font-size: 12px; color: var(--accent); }
.hint-inline { font-size: 12px; color: var(--muted); }

/* ===== channels / history ===== */
.channels-box { display: flex; flex-direction: column; gap: 8px; }
.channel-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  background: var(--row-bg);
  padding: 8px 10px;
  border-radius: 8px;
}
.channel-row .ch-name { font-weight: 700; min-width: 90px; }
.notify-history { font-size: 12.5px; color: var(--muted); max-height: 160px; overflow: auto; display: flex; flex-direction: column; gap: 5px; }
.notify-history .nh-item { background: var(--row-bg); padding: 5px 8px; border-radius: 6px; }

/* ===== ingest ===== */
.ingest-info { font-size: 13.5px; line-height: 1.7; }
.ingest-actions { display: flex; align-items: center; gap: 12px; margin-top: 10px; flex-wrap: wrap; }
.file-btn { display: inline-block; cursor: pointer; }

.footer { color: var(--muted); font-size: 12px; text-align: center; line-height: 1.8; margin-top: 24px; }

/* leaflet tweaks */
.leaflet-container { background: var(--map-bg); font-family: inherit; }
.leaflet-popup-content-wrapper, .leaflet-popup-tip {
  background: var(--panel2);
  color: var(--text);
  border: 1px solid var(--line);
}
.leaflet-popup-content { font-size: 13px; }