:root {
  --navy: #0b3d6e;
  --navy2: #123a63;
  --blue: #1f5fa8;
  --light: #eaf1f8;
  --amber: #fff4e0;
  --red: #b23a2e;
  --grey: #55626f;
  --line: #dde5ee;
  --card: #ffffff;
  --shadow: 0 1px 3px rgba(11, 61, 110, .08), 0 4px 14px rgba(11, 61, 110, .06);
  --radius: 10px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font: 14px/1.5 "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  color: #222; background: #f2f5f9;
}

/* ---------- header ---------- */
header {
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy2) 60%, #0a2f55 100%);
  color: #fff; padding: 10px 20px; display: flex; align-items: center;
  justify-content: space-between; gap: 12px; position: sticky; top: 0; z-index: 50;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .25);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo {
  width: 34px; height: 34px; border-radius: 8px; flex: 0 0 auto;
  background: linear-gradient(135deg, #4db3ff, #1f5fa8);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 12px; letter-spacing: .5px; color: #fff;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.2);
}
header h1 { margin: 0; font-size: 18px; white-space: nowrap; }
.header-right { display: flex; align-items: center; gap: 12px; min-width: 0; }
.user-badge { font-size: 12px; background: rgba(255,255,255,.14); padding: 4px 10px; border-radius: 20px; white-space: nowrap; }
.logout { color: #cfe3f7; font-size: 12.5px; text-decoration: none; white-space: nowrap; }
.logout:hover { color: #fff; text-decoration: underline; }
.ingest { font-size: 11.5px; background: rgba(255,255,255,.12); padding: 5px 10px; border-radius: 6px; max-width: 46vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ingest.error { background: #7d231c; }
.ingest.ok { background: #1e5c3c; }
.hidden { display: none !important; }

/* ---------- coverage ---------- */
.coverage { position: relative; font-size: 12px; }
.coverage summary {
  cursor: pointer; list-style: none; background: rgba(255,255,255,.14);
  padding: 5px 12px; border-radius: 20px; color: #dce9f7; white-space: nowrap;
  display: flex; align-items: center; gap: 6px;
}
.coverage summary::after { content: "▾"; font-size: 10px; opacity: .8; }
.coverage[open] summary::after { content: "▴"; }
.coverage summary:hover { background: rgba(255,255,255,.22); color: #fff; }
.coverage-body {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 60;
  background: #fff; color: #333; border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,.35);
  min-width: 420px; max-width: 92vw; max-height: 70vh; overflow: auto; padding: 10px 0;
}
.coverage-body table { min-width: 0; }
.coverage-body th { font-size: 11px; padding: 4px 10px; }
.coverage-body td { font-size: 11.5px; padding: 3px 10px; white-space: nowrap; }
.coverage-body td.ds { font-family: Consolas, monospace; font-size: 11px; }
.coverage-body .cov-srv { padding: 6px 10px 2px; font-weight: 700; color: var(--navy); font-size: 12px; }

/* ---------- tabs ---------- */
.tabs {
  display: flex; gap: 4px; background: #fff; padding: 10px 20px 0;
  border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: thin;
}
.tabs button {
  border: 1px solid #c4d2e2; border-bottom: none; background: #eef3f9; color: var(--navy);
  padding: 9px 18px; border-radius: 8px 8px 0 0; cursor: pointer; font-size: 14px;
  font-weight: 600; white-space: nowrap; flex: 0 0 auto;
}
.tabs button.active { background: #fff; color: var(--navy); border-color: var(--blue); box-shadow: inset 0 2px 0 var(--blue); }

/* ---------- controls ---------- */
.controls { background: #fff; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.row { display: flex; align-items: center; gap: 8px; margin: 7px 0; flex-wrap: wrap; }
.lbl { color: var(--grey); font-size: 12px; font-weight: 600; }
.pills { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.pills button {
  border: 1px solid var(--blue); background: #fff; color: var(--blue);
  padding: 5px 13px; border-radius: 20px; cursor: pointer; font-size: 13px;
  min-height: 30px;
}
.pills button.active { background: var(--blue); color: #fff; }
input[type="datetime-local"], input[type="text"], input[type="password"], select {
  padding: 6px 9px; border: 1px solid #b9c6d6; border-radius: 6px; font-size: 13px;
  background: #fff; min-height: 32px;
}
button.primary {
  background: var(--navy); color: #fff; border: none; padding: 7px 18px;
  border-radius: 6px; cursor: pointer; font-size: 13.5px; font-weight: 600;
}
button.primary:hover { background: var(--blue); }
button.primary:disabled { opacity: .6; cursor: default; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: .5; }

/* ---------- stats / chart ---------- */
.stats { padding: 10px 20px 0; color: var(--grey); font-size: 13px; }
.stats b { color: var(--navy); }
.cov-strip {
  padding: 6px 20px 0; color: var(--grey); font-size: 12px; line-height: 1.6;
  overflow-wrap: anywhere;
}
.cov-strip b { color: var(--navy); }
.chartwrap {
  background: var(--card); margin: 10px 20px; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 10px 12px 6px; box-shadow: var(--shadow);
  position: relative;
}
#chart { width: 100%; display: block; }
.chart-tip {
  position: absolute; pointer-events: none; background: rgba(11, 61, 110, .92); color: #fff;
  font-size: 11.5px; padding: 4px 8px; border-radius: 5px; white-space: nowrap; display: none;
  z-index: 10; transform: translate(-50%, -120%);
}

/* ---------- list / table ---------- */
.list {
  margin: 10px 20px 24px; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
}
.listhead { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 9px 14px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.pager { display: flex; align-items: center; gap: 8px; }
.pager button { border: 1px solid var(--blue); background: #fff; color: var(--blue); border-radius: 6px; padding: 4px 12px; min-height: 30px; }
.tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th { text-align: left; background: var(--light); padding: 7px 10px; font-size: 12px; color: var(--navy); position: sticky; top: 0; }
td { padding: 6px 10px; border-top: 1px solid #eef2f7; font-size: 12.5px; vertical-align: top; }
tbody tr:hover { background: #f7fafd; }
td.time { white-space: nowrap; color: var(--grey); font-variant-numeric: tabular-nums; }
td.src { font-family: Consolas, "SF Mono", Menlo, monospace; font-size: 11.5px; }
tr.hl { background: var(--amber); }
tr.hl:hover { background: #ffe9c7; }
.err { color: var(--red); font-weight: 700; }
.cat {
  display: inline-block; background: var(--light); color: var(--navy);
  font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 8px;
  margin-right: 4px; vertical-align: 1px; white-space: nowrap;
}
.empty { padding: 22px; text-align: center; color: var(--grey); }

/* ---------- login ---------- */
.login-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 20px;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(77, 179, 255, .25), transparent 60%),
    radial-gradient(700px 400px at 10% 110%, rgba(31, 95, 168, .30), transparent 60%),
    linear-gradient(160deg, #0b3d6e 0%, #123a63 55%, #0a2f55 100%);
}
.login-card {
  width: 100%; max-width: 380px; background: #fff; border-radius: 14px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .35); padding: 30px 28px 22px;
}
.login-brand { text-align: center; margin-bottom: 22px; }
.login-logo {
  width: 52px; height: 52px; margin: 0 auto 10px; border-radius: 12px;
  background: linear-gradient(135deg, #4db3ff, #1f5fa8); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800;
  font-size: 15px; box-shadow: 0 4px 12px rgba(31, 95, 168, .4);
}
.login-brand h1 { margin: 0; font-size: 21px; color: var(--navy); }
.login-sub { margin: 4px 0 0; font-size: 12.5px; color: var(--grey); }
.login-card form label { display: block; font-size: 12.5px; font-weight: 600; color: var(--grey); margin: 12px 0 5px; }
.login-card form input { width: 100%; padding: 10px 12px; font-size: 14px; }
.login-card form input:focus { outline: 2px solid var(--blue); outline-offset: 1px; border-color: var(--blue); }
.login-card .block { width: 100%; margin-top: 18px; padding: 11px; font-size: 15px; }
.login-error {
  margin-top: 12px; background: #fdecea; color: #a3342b; border: 1px solid #f5c6c1;
  padding: 8px 10px; border-radius: 6px; font-size: 12.5px;
}
.login-foot { text-align: center; margin: 16px 0 0; font-size: 11.5px; color: #8a98a6; }

/* ---------- responsive ---------- */
@media (max-width: 820px) {
  header { padding: 8px 12px; }
  header h1 { font-size: 15px; }
  .logo { width: 30px; height: 30px; font-size: 10px; }
  .ingest { display: none; }
  .user-badge { display: none; }
  .coverage summary { padding: 5px 10px; font-size: 11px; }
  .coverage-body {
    position: fixed; left: 8px; right: 8px; top: 54px; width: auto; min-width: 0;
    max-height: 62vh;
  }
  .coverage-body td { white-space: normal; }
  .coverage-body td.ds { white-space: nowrap; }
  .tabs { padding: 8px 12px 0; }
  .controls { padding: 10px 12px; }
  .row { gap: 6px; }
  .lbl { font-size: 11px; }
  .stats { padding: 8px 12px 0; }
  .chartwrap, .list { margin: 8px 12px 16px; }
  .chartwrap { padding: 6px 8px 2px; }
  #chart { height: 90px; }
  input[type="datetime-local"], input[type="text"], select { font-size: 16px; } /* avoid iOS zoom */
  .row input[type="text"] { flex: 1 1 100%; }
  .row input[type="datetime-local"] { flex: 1 1 40%; }
  .pager span { display: none; }
  .listhead { padding: 8px 10px; }
  td, th { padding: 5px 8px; font-size: 11.5px; }
  .login-card { padding: 24px 20px 18px; }
}

@media (max-width: 480px) {
  .header-right { gap: 8px; }
  .logout { font-size: 11.5px; }
  .tabs button { padding: 8px 12px; font-size: 13px; }
  .row input[type="datetime-local"] { flex: 1 1 100%; }
}