:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --text: #1e2532;
  --muted: #6b7688;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --brand: #1f6feb;
  --brand-ink: #ffffff;
  --brand-soft: #e8f0fe;
  --ok: #137a4b;
  --ok-soft: #e3f5ec;
  --warn: #9a6b00;
  --warn-soft: #fdf3d7;
  --danger: #b3261e;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px rgba(16, 24, 40, .06);
  --radius: 12px;
}

[data-theme="dark"] {
  --bg: #0f1420;
  --panel: #171d2b;
  --panel-2: #1d2434;
  --text: #e6ebf5;
  --muted: #97a2b8;
  --border: #2a3346;
  --border-strong: #3a465e;
  --brand: #4b8dfa;
  --brand-ink: #06122a;
  --brand-soft: #1c2b45;
  --ok: #4fd39a;
  --ok-soft: #14301f;
  --warn: #f3c049;
  --warn-soft: #33290d;
  --danger: #f08a84;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 28px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ------------------------------- topbar -------------------------------- */
.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 40;
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--brand);
  color: var(--brand-ink);
  flex: none;
}
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-text strong { font-size: 15px; letter-spacing: .1px; }
.brand-text small { color: var(--muted); font-size: 12px; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 36px; height: 36px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  font-size: 15px;
}
.icon-btn:hover { border-color: var(--border-strong); }

/* ------------------------------ container ------------------------------ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 22px 20px 60px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ------------------------------- filters ------------------------------- */
.filters { padding: 18px 20px; margin-bottom: 18px; }
.filters-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}
.filters-head h2 { font-size: 15px; margin: 0; }
.filters-hint { color: var(--muted); font-size: 12px; }

.filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 18px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field-grow { flex: 1 1 320px; min-width: 260px; }
.field-label { font-size: 12px; color: var(--muted); font-weight: 600; letter-spacing: .2px; }
.field-actions { flex-direction: row; gap: 8px; margin-left: auto; }

/* segmented control */
.segmented {
  display: inline-flex;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
}
.seg {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
  padding: 7px 18px;
  border-radius: 7px;
  cursor: pointer;
}
.seg:hover { color: var(--text); }
.seg.active {
  background: var(--brand);
  color: var(--brand-ink);
}

/* buttons */
.btn-ghost {
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  padding: 9px 14px;
  border-radius: 9px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
}
.btn-ghost:hover:not(:disabled) { border-color: var(--border-strong); }
.btn-ghost:disabled { opacity: .5; cursor: not-allowed; }

/* searchable dropdown */
.multi { position: relative; }
.multi-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 9px;
  cursor: pointer;
  font-size: 13px;
  text-align: left;
}
.multi-toggle:hover { border-color: var(--border-strong); }
.multi-toggle svg { flex: none; color: var(--muted); }
.multi-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  box-shadow: var(--shadow);
  z-index: 30;
  padding: 8px;
}
.multi-search {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  margin-bottom: 6px;
}
.multi-search:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand); }
.multi-list { max-height: 300px; overflow: auto; }
.multi-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 13px;
}
.multi-item:hover, .multi-item.hl { background: var(--brand-soft); }
.multi-item.selected { background: var(--brand-soft); font-weight: 600; }
.multi-item .cnt { color: var(--muted); font-size: 11px; }
.multi-empty { padding: 10px; color: var(--muted); font-size: 13px; }

/* ------------------------------ statuses ------------------------------- */
.status {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 13px;
}
.status.error { background: var(--warn-soft); color: var(--danger); border: 1px solid var(--danger); }
.status.info { background: var(--brand-soft); color: var(--brand); border: 1px solid var(--brand); }

.loading {
  text-align: center;
  color: var(--muted);
  padding: 40px 0;
  font-size: 14px;
}

.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
}
.empty h3 { margin: 0 0 6px; color: var(--text); font-size: 16px; }

/* ------------------------------ summary -------------------------------- */
.summary {
  padding: 16px 20px;
  margin-bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 26px;
}
.summary .bu { font-size: 16px; font-weight: 700; }
.summary .bu small { display: block; font-size: 11px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }
.stat { display: flex; flex-direction: column; }
.stat .v { font-size: 22px; font-weight: 700; line-height: 1.1; }
.stat .l { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.doc-badge {
  margin-left: auto;
  background: var(--brand);
  color: var(--brand-ink);
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
}

/* ------------------------------- layers -------------------------------- */
.layer {
  margin-bottom: 16px;
  overflow: hidden;
}
.layer-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
  flex-wrap: wrap;
}
.layer-no {
  display: grid;
  place-items: center;
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  border-radius: 9px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 700;
  font-size: 13px;
  flex: none;
}
.layer-title { font-size: 15px; font-weight: 700; }
.layer-sub { color: var(--muted); font-size: 12px; }
.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: .3px;
}
.badge.mode { background: var(--brand-soft); color: var(--brand); }
.badge.count { background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); }
.layer-meta { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

/* table */
table.grid {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.grid th, table.grid td {
  padding: 10px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
table.grid th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--muted);
  background: var(--panel);
}
table.grid tbody tr:last-child td { border-bottom: 0; }
table.grid tbody tr:hover { background: var(--panel-2); }
td.seq { font-weight: 700; color: var(--brand); width: 60px; }
td.uid { color: var(--muted); width: 90px; }

@media (max-width: 640px) {
  .filter-row { flex-direction: column; align-items: stretch; }
  .field-actions { margin-left: 0; }
  .layer-meta { margin-left: 0; width: 100%; }
  table.grid th, table.grid td { padding: 8px 10px; }
}

/* ------------------------------- login ---------------------------------- */
.login-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1100px 620px at 15% -10%, var(--brand-soft) 0%, var(--bg) 60%);
  padding: 24px;
}
.login-wrap { width: 100%; max-width: 400px; }
.login-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  padding: 30px 30px 24px; box-shadow: var(--shadow);
}
.login-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 22px; }
.login-brand-text { display: flex; flex-direction: column; }
.login-brand-text strong { font-size: 14.5px; }
.login-brand-text small { color: var(--muted); font-size: 11.5px; }
.login-card h1 { font-size: 21px; margin: 0; }
.login-sub { color: var(--muted); font-size: 13.5px; margin: 4px 0 0; }
.login-field { display: flex; flex-direction: column; gap: 6px; margin-top: 16px; }
.login-field > span { color: var(--muted); font-size: 11px; font-weight: 650; text-transform: uppercase; letter-spacing: .05em; }
.login-field input {
  padding: 12px 13px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); font-size: 14px; outline: none;
}
.login-field input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
.btn-primary {
  width: 100%; margin-top: 20px; padding: 12px; font-size: 14px; font-weight: 650;
  border: 0; border-radius: 10px; background: var(--brand); color: var(--brand-ink); cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-primary:disabled { opacity: .55; cursor: default; }
.login-error { margin-top: 14px; padding: 10px 12px; border-radius: 9px; font-size: 13px; background: var(--warn-soft); color: var(--danger); border: 1px solid var(--danger); }
.login-foot { text-align: center; color: var(--muted); font-size: 11.5px; margin-top: 18px; }