:root {
  --bg: #f4f5f8;
  --panel: #ffffff;
  --text: #1b1f24;
  --muted: #667180;
  --border: #dde1e7;
  --row-hover: #f3f6fd;
  --accent: #2456d6;
  --accent-text: #ffffff;
  --accent-soft: #e5ecfc;
  --ok-bg: #e2f4e9;
  --ok-fg: #14683c;
  --off-bg: #fdecd2;
  --off-fg: #8a4b08;
  --bad-bg: #fde3e3;
  --bad-fg: #a11d1d;
  --shadow: 0 1px 2px rgba(20, 30, 50, 0.06);
  /* The map PNG is near-black dots at ~5% alpha: fine on a light page, invisible on a dark one. */
  --map-filter: none;
  --map-opacity: 1;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --panel: #1c2027;
    --text: #e6e9ee;
    --muted: #9aa4b2;
    --border: #2d333c;
    --row-hover: #232936;
    --accent: #7aa2ff;
    --accent-text: #0f1420;
    --accent-soft: #24304d;
    --ok-bg: #16352499;
    --ok-fg: #7fdca3;
    --off-bg: #3d2c12;
    --off-fg: #f0bf7a;
    --bad-bg: #431d1d;
    --bad-fg: #ff9c9c;
    --shadow: none;
    --map-filter: invert(1); /* white dots instead */
    --map-opacity: 1;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
/* SYSBI world-map backdrop: behind the page, and behind the login card. */
body::before,
.login::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: url("assets/world-map.png") center / cover no-repeat;
  filter: var(--map-filter);
  opacity: var(--map-opacity);
  pointer-events: none;
}
.login::before { position: absolute; }

/* Two logo files: dark lettering for the light theme, light lettering for the dark theme. */
.logo { display: block; height: 30px; width: auto; }
.logo-lg { height: 44px; margin: 0 auto 4px; }
.logo-on-dark { display: none; }
@media (prefers-color-scheme: dark) {
  .logo-on-light { display: none; }
  .logo-on-dark { display: block; }
}

code, .mono { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; }
code { background: var(--accent-soft); padding: 1px 5px; border-radius: 4px; font-size: 0.92em; }
h1, h2 { margin: 0; }
[hidden] { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--bad-fg); min-height: 1.2em; margin: 0; }

/* Buttons: browsers don't show a pointer cursor on <button> by themselves. */
button { font: inherit; color: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.55; }

.btn {
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 7px 14px;
  border-radius: 8px;
}
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.btn.small { padding: 4px 10px; font-size: 13px; }

input, select {
  font: inherit;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  min-width: 0;
}
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---- Top bar ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 16px; }
.brand-sep { width: 1px; height: 22px; background: var(--border); }
.search { position: relative; display: flex; gap: 8px; flex: 1 1 380px; max-width: 720px; }
.search input { flex: 1; }

.suggestions {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  margin: 0;
  padding: 4px;
  list-style: none;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  max-height: 60vh;
  overflow: auto;
}
.sugg {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
}
.sugg:hover, .sugg:focus-visible { background: var(--accent-soft); }
.sugg-empty { padding: 10px; color: var(--muted); }

/* ---- Page ---- */
.page { padding: 16px; max-width: 1500px; margin: 0 auto; }

.notice {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 14px;
  background: var(--off-bg);
  color: var(--off-fg);
}
.notice.bad { background: var(--bad-bg); color: var(--bad-fg); }

.empty {
  margin: 8vh auto 0;
  max-width: 620px;
  text-align: center;
  color: var(--muted);
}
.empty h2 { color: var(--text); margin-bottom: 10px; font-size: 20px; }

.client-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 12px 16px;
  margin-bottom: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.client-name { font-size: 18px; font-weight: 700; }
.client-meta { color: var(--muted); }
.spacer { flex: 1 1 auto; }

.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
  white-space: nowrap;
}
.badge.ok { background: var(--ok-bg); color: var(--ok-fg); }
.badge.off { background: var(--off-bg); color: var(--off-fg); }
.badge.bad { background: var(--bad-bg); color: var(--bad-fg); }
.badge.muted-badge { background: var(--bg); color: var(--muted); border: 1px solid var(--border); }

/* ---- Tabs ---- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: -1px;
  position: relative;
  z-index: 1;
}
.tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
  background: transparent;
  color: var(--muted);
  font-weight: 600;
}
.tab:hover { color: var(--text); background: var(--accent-soft); }
.tab[aria-selected="true"] { background: var(--panel); color: var(--text); border-color: var(--border); }
.tab .n { font-weight: 500; font-size: 12px; color: var(--muted); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0 12px 12px 12px;
  box-shadow: var(--shadow);
  padding: 14px 16px 16px;
}
.panel-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-bottom: 12px; }
.panel-head h2 { font-size: 16px; }
.count { color: var(--muted); }
.hint { color: var(--muted); font-size: 13px; }
.tools { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-left: auto; }
.tools label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; user-select: none; }
.tools input[type="checkbox"] { cursor: pointer; }
.filter { min-width: 220px; }
.pager { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); }

.table-wrap {
  overflow: auto;
  max-height: calc(100vh - 290px);
  min-height: 120px;
  border: 1px solid var(--border);
  border-radius: 10px;
}
table.grid { border-collapse: collapse; width: 100%; }
.grid th, .grid td { padding: 7px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
.grid th {
  position: sticky;
  top: 0;
  background: var(--panel);
  z-index: 1;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  box-shadow: 0 1px 0 var(--border);
}
.grid tbody tr:hover { background: var(--row-hover); }
.grid tbody tr:last-child td { border-bottom: 0; }
.grid tr.dim td { opacity: 0.55; }
.more { color: var(--muted); margin: 10px 2px 0; }

.ref { display: inline-flex; align-items: center; gap: 6px; }
.idchip {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  font-weight: 600;
  padding: 1px 8px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: var(--accent-soft);
  color: var(--accent);
}
.idchip:hover { border-color: var(--accent); }
.idchip.small { font-size: 12px; padding: 0 6px; }
.idchip.static { cursor: default; }

/* ---- Login ---- */
.login {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 16px;
  background: var(--bg);
}
.login-card {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: min(380px, 100%);
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}
.login-card p { margin: 0; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  z-index: 200;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.sr-copy { position: fixed; top: -1000px; left: -1000px; opacity: 0; }

@media (max-width: 640px) {
  .page { padding: 12px; }
  .tools { margin-left: 0; width: 100%; }
  .filter { flex: 1; min-width: 0; }
  .table-wrap { max-height: none; }
}