:root {
  --bg: #f3f4f8; --card: #ffffff; --text: #1b2033; --muted: #5d6478; --line: #d9dce6;
  --navy: #1a2a5c; --accent: #2c4a9a; --chip: #f5e6c8; --chip-text: #4a3a10; --proj: #dbe4fb;
  --proj-text: #1d3270; --err: #b3261e; --ok: #1f7a46;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #11141c; --card: #1a1e29; --text: #e6e8ef; --muted: #9aa1b4; --line: #2c3242;
    --navy: #0d1430; --accent: #8fa8ec; --chip: #3a3220; --chip-text: #f0dfb6; --proj: #24305a;
    --proj-text: #cdd8fb; --err: #f2b8b5; --ok: #8fd6a8; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
header { background: var(--navy); color: #fff; padding: 14px 16px; display: flex; flex-wrap: wrap; gap: 8px;
  align-items: center; justify-content: space-between; }
.brand { letter-spacing: .18em; font-weight: 600; }
.brand span { letter-spacing: normal; font-weight: 400; opacity: .7; margin-left: 6px; }
header .link { color: #fff; opacity: .85; }
#who { display: flex; gap: 12px; align-items: center; font-size: 14px; }
main { max-width: 1000px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.narrow { max-width: 420px; margin: 24px auto; }
h1 { font-size: 22px; margin: 0 0 6px; }
h2 { font-size: 17px; margin: 18px 0 8px; }
.muted { color: var(--muted); }
label { display: block; margin: 10px 0; font-size: 14px; color: var(--muted); }
input, select, button { font: inherit; }
input[type=email], input[type=password], input[type=search], select, input[type=date] {
  width: 100%; padding: 9px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--card); color: var(--text); margin-top: 4px; }
button { padding: 9px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; width: 100%; margin-top: 6px; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) button.primary { color: #10162c; } }
button.link { border: none; background: none; padding: 4px 2px; color: var(--accent); }
button.google { width: 100%; }
.row { display: flex; align-items: center; } .gap { gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.sep { text-align: center; color: var(--muted); margin: 14px 0; font-size: 13px; }
.msg { min-height: 1.4em; margin-top: 10px; } .msg.err { color: var(--err); } .msg.ok { color: var(--ok); }
.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; align-items: end; }
.filters #f-text { grid-column: 1 / -1; }
.filters .date { margin: 0; }
.day { color: var(--accent); font-weight: 600; font-size: 14px; margin: 18px 0 8px; }
.session { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; margin-bottom: 8px; cursor: pointer; }
.session:hover { border-color: var(--accent); }
.session .top { display: flex; justify-content: space-between; gap: 10px; }
.session .label { font-weight: 600; overflow-wrap: anywhere; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chip { background: var(--chip); color: var(--chip-text); border-radius: 6px; padding: 2px 8px; font-size: 12px; white-space: nowrap; }
.chip.project { background: var(--proj); color: var(--proj-text); }
.props { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 8px 16px; margin: 10px 0; }
.props div span { display: block; color: var(--muted); font-size: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; }
.tablewrap { overflow-x: auto; }
@media (max-width: 600px) { .filters { grid-template-columns: 1fr 1fr; } }
.viewer { width: 100%; height: min(1100px, 150vh); border: 1px solid var(--line); border-radius: 14px; margin-top: 10px; background: var(--bg); }
.netmap { width: 100%; max-width: 640px; display: block; margin: 8px auto; }
.netmap .edge { stroke: var(--accent); stroke-width: 2; }
.netmap .edge-label { fill: var(--muted); font: 11px system-ui; }
.netmap .node { fill: #d9822b; stroke: var(--card); stroke-width: 2; }
.netmap .node-label { fill: var(--text); font: 600 13px system-ui; }
.netmap .scale { stroke: var(--text); stroke-width: 2; }
.chartbox select { max-width: 260px; }
.chart { width: 100%; height: 180px; display: block; margin-top: 8px; }
.view { margin-top: 6px; }