:root {
  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e3e5e9;
  --accent: #2f6fed;
  --accent-soft: #eaf0ff;
  --danger: #d64545;
  --warn: #e0a429;
  --ok: #2a9d6f;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 2px 8px rgba(0,0,0,0.04);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15171c;
    --card-bg: #1e2127;
    --text: #e7e9ed;
    --muted: #9aa0ab;
    --border: #2b2f38;
    --accent: #6d97f7;
    --accent-soft: #233052;
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 2px 8px rgba(0,0,0,0.3);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 14px;
}
.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 24px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 18px; margin: 0; }
.stat-pills { display: flex; gap: 10px; flex-wrap: wrap; }
.stat-pill {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
}
main { padding: 20px 24px 60px; max-width: 1400px; margin: 0 auto; }
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}
.charts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.chart-card h3 { margin: 0 0 10px; font-size: 13px; color: var(--muted); font-weight: 600; }
.chart-card canvas { max-height: 220px; }
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
}
.filters input[type="text"] { flex: 1 1 220px; }
.filters input, .filters select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
}
.filters label { font-size: 12px; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.filters button {
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}
.filters button#f-reset { background: transparent; color: var(--muted); }
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
th[data-sort] { cursor: pointer; user-select: none; white-space: nowrap; }
th[data-sort]:hover { color: var(--text); }
th[data-sort].sort-asc::after { content: " ▲"; }
th[data-sort].sort-desc::after { content: " ▼"; }

/* multiselect dropdown */
.msel { position: relative; }
.msel-btn {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); color: var(--text); font-size: 13px; cursor: pointer;
  white-space: nowrap;
}
.msel-btn.active { border-color: var(--accent); color: var(--accent); }
.msel-panel {
  position: absolute; top: calc(100% + 4px); left: 0; z-index: 20;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: var(--shadow); padding: 8px; min-width: 220px; max-height: 280px; overflow-y: auto;
}
.msel-panel.hidden { display: none; }
.msel-opt { display: flex; align-items: center; gap: 8px; padding: 5px 6px; font-size: 13px; border-radius: 4px; cursor: pointer; }
.msel-opt:hover { background: var(--accent-soft); }
.msel-opt input { margin: 0; }
.msel-opt .cnt { color: var(--muted); font-size: 11px; margin-left: auto; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--accent-soft); }
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.badge-wysoka { background: #fbe4e4; color: var(--danger); }
.badge-srednia { background: #fdf0d8; color: var(--warn); }
.badge-niska { background: #e1f3ea; color: var(--ok); }
.pager { display: flex; justify-content: center; align-items: center; gap: 16px; padding: 14px 0 4px; }
.pager button {
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  cursor: pointer;
}
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 16px; overflow-y: auto; z-index: 50;
}
.modal.hidden { display: none; }
.modal-content {
  background: var(--card-bg); border-radius: var(--radius);
  max-width: 760px; width: 100%; padding: 24px; position: relative;
  box-shadow: var(--shadow);
}
.modal-close {
  position: absolute; top: 12px; right: 16px; border: none; background: none;
  font-size: 22px; cursor: pointer; color: var(--muted);
}
.thread-msg { border: 1px solid var(--border); border-radius: 8px; padding: 2px 14px; margin-bottom: 10px; }
.thread-msg[open] { padding-bottom: 12px; }
.thread-msg summary {
  cursor: pointer; padding: 10px 0; list-style: none;
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 13px;
}
.thread-msg summary::-webkit-details-marker { display: none; }
.thread-msg summary::before { content: "▸"; color: var(--muted); font-size: 11px; transition: transform 0.15s; }
.thread-msg[open] summary::before { transform: rotate(90deg); }
.kierunek { font-weight: 700; font-size: 12px; white-space: nowrap; }
.kierunek-przychodzaca { color: var(--accent); }
.kierunek-wychodzaca { color: var(--ok); }
.meta-inline { color: var(--muted); font-size: 12px; }
.subject-inline { font-weight: 600; flex-basis: 100%; }
.thread-msg .body { white-space: pre-wrap; font-size: 13px; max-height: 320px; overflow-y: auto; margin-top: 4px; }
.attach-details { margin-top: 8px; font-size: 12px; }
.attach-details summary { cursor: pointer; color: var(--muted); padding: 4px 0; display: list-item; list-style: none; }
.attach-details summary::before { content: none; }
.attach-list { padding-top: 4px; }
.attachment-link {
  display: inline-block; margin: 4px 6px 0 0; padding: 4px 10px;
  border-radius: 6px; background: var(--accent-soft); color: var(--accent);
  font-size: 12px; text-decoration: none;
}
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; margin: 10px 0; font-size: 13px; }
.kv dt { color: var(--muted); }
.section-title { font-size: 13px; font-weight: 700; margin: 18px 0 8px; color: var(--muted); text-transform: uppercase; }