:root {
  --bg: #0b1020;
  --fg: #e6ecff;
  --muted: #8a97b8;
  --card: #131a30;
  --border: #24304f;
  --accent: #4ea1ff;
  --accent-fg: #0b1020;
  --err: #ff6b6b;
  --ok: #4ec58a;
  --warn: #ffb454;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root { --bg:#f6f8ff; --fg:#0b1020; --muted:#5f6a8c; --card:#fff; --border:#e0e5f4; --accent:#2b6cff; --accent-fg:#fff; color-scheme: light; }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 15px/1.5 system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--fg); min-height: 100vh; display: flex; flex-direction: column; }
.top { display: flex; align-items: center; justify-content: space-between; padding: .8rem 2rem; border-bottom: 1px solid var(--border); background: var(--card); }
.top .brand { color: var(--fg); font-weight: 700; text-decoration: none; letter-spacing: .02em; }
.top .brand .sub { color: var(--muted); font-weight: 400; font-size: .85em; }
.top nav { display: flex; align-items: center; gap: 1.1rem; }
.top nav a { color: var(--accent); text-decoration: none; }
.top nav a:hover { text-decoration: underline; }
.top .who { color: var(--muted); font-size: .9em; }
.top .who .role { padding: .1em .4em; border-radius: .25em; background: var(--border); color: var(--fg); text-transform: uppercase; font-size: .7em; letter-spacing: .08em; margin-left: .25em; }
main { flex: 1; padding: 2rem; max-width: 1100px; margin: 0 auto; width: 100%; }
footer { padding: 1rem 2rem; color: var(--muted); border-top: 1px solid var(--border); text-align: center; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: .6rem; padding: 1.5rem 1.75rem; }
.card + .card { margin-top: 1.25rem; }
.narrow { max-width: 420px; margin: 3rem auto; }
h1 { margin-top: 0; font-size: 1.35rem; }
h2 { font-size: 1.05rem; margin-top: 1.5rem; }
label { display: block; margin: .8rem 0; color: var(--muted); font-size: .9em; }
label input, label select { display: block; width: 100%; margin-top: .25rem; }
input[type=text], input[type=email], input[type=password], select {
  background: var(--bg); color: var(--fg); border: 1px solid var(--border);
  border-radius: .35rem; padding: .55rem .65rem; font: inherit; width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button { background: var(--accent); color: var(--accent-fg); border: none; padding: .55rem 1.1rem; border-radius: .35rem; font: inherit; font-weight: 600; cursor: pointer; }
button:hover { filter: brightness(1.1); }
button.link { background: none; color: var(--accent); padding: 0; font-weight: 400; }
button.link:hover { text-decoration: underline; }
.hint { color: var(--muted); font-size: .85em; }
.err { background: rgba(255,107,107,.15); color: var(--err); padding: .6rem .8rem; border-radius: .35rem; border: 1px solid var(--err); }
.flash { padding: .7rem 2rem; text-align: center; font-size: .9em; }
.flash-info { background: rgba(78,161,255,.12); color: var(--accent); border-bottom: 1px solid var(--border); }
.flash-ok { background: rgba(78,197,138,.15); color: var(--ok); }
.flash-err { background: rgba(255,107,107,.15); color: var(--err); }
.inline { display: inline; }
.row { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.row input, .row select { width: auto; flex: 1; min-width: 10rem; }
table.list { width: 100%; border-collapse: collapse; margin-top: .5rem; }
table.list th, table.list td { text-align: left; padding: .45rem .6rem; border-bottom: 1px solid var(--border); font-size: .9em; vertical-align: top; }
table.list th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: .7em; letter-spacing: .08em; }
table.list td code { font-size: .85em; word-break: break-all; color: var(--muted); }
.bad { color: var(--err); }
code.secret { display: inline-block; padding: .5rem .75rem; background: var(--bg); border: 1px solid var(--border); border-radius: .35rem; font: 14px/1.4 ui-monospace, monospace; user-select: all; }
code.secret.wrap { display: block; word-break: break-all; margin-top: .25rem; }
.totp-row { display: flex; gap: 2rem; align-items: flex-start; margin: 1rem 0; }
.totp-row .qr { flex-shrink: 0; background: #fff; padding: .5rem; border-radius: .35rem; }
.totp-row .qr svg { display: block; }
.quicklinks { list-style: none; padding: 0; }
.quicklinks li { padding: .25rem 0; }
.quicklinks a { color: var(--accent); text-decoration: none; }

/* S3 additions */
.row.between { justify-content: space-between; }
.row.wrap { flex-wrap: wrap; gap: .75rem; align-items: flex-end; }
.row.filters { margin: 1rem 0 1.25rem; }
label.tight { flex: 0 0 auto; margin: 0; min-width: 10rem; }
label.tight input, label.tight select { width: auto; min-width: 10rem; }
label.grow { flex: 1; margin: 0; }
label.grow input { width: 100%; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid2 label { margin: 0; }
.narrow-wide { max-width: 620px; margin: 0 auto; }
textarea { background: var(--bg); color: var(--fg); border: 1px solid var(--border); border-radius: .35rem; padding: .55rem .65rem; font: inherit; width: 100%; resize: vertical; min-height: 4rem; }
textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-fg); padding: .45rem .9rem; border-radius: .35rem; text-decoration: none; font-weight: 600; border: 1px solid transparent; font-size: .9em; }
.btn:hover { filter: brightness(1.1); }
.btn.secondary { background: transparent; color: var(--fg); border-color: var(--border); }
.btn.secondary:hover { background: var(--border); filter: none; }
.btn.tiny { padding: .15rem .5rem; font-size: .78em; margin-left: .5rem; }
button.danger, .link.danger { color: var(--err); background: transparent; border: 1px solid var(--err); }
button.danger:hover { background: rgba(255,107,107,.1); }
.link.danger { border: none; padding: 0; font-weight: 400; }
.link.danger:hover { text-decoration: underline; }
.count { color: var(--muted); font-weight: 400; font-size: .8em; }
table.list .num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
dl.kv { display: grid; grid-template-columns: 8rem 1fr; gap: .4rem .75rem; margin: 1rem 0; }
dl.kv dt { color: var(--muted); font-size: .85em; }
dl.kv dd { margin: 0; }
dl.kv dd.pre { white-space: pre-wrap; }
.stat-row { display: flex; gap: 1rem; margin: 1.25rem 0 0; flex-wrap: wrap; }
.stat { flex: 0 0 auto; padding: .75rem 1.25rem; background: var(--bg); border: 1px solid var(--border); border-radius: .5rem; min-width: 8rem; }
.stat .big { font-size: 2rem; font-weight: 700; line-height: 1; color: var(--accent); }
.stat .lbl { color: var(--muted); font-size: .8em; text-transform: uppercase; letter-spacing: .06em; margin-top: .25rem; }
.role { padding: .1em .4em; border-radius: .25em; background: var(--border); color: var(--fg); text-transform: uppercase; font-size: .7em; letter-spacing: .08em; margin-left: .25em; }
input[type=search] { background: var(--bg); color: var(--fg); border: 1px solid var(--border); border-radius: .35rem; padding: .55rem .65rem; font: inherit; flex: 1; min-width: 14rem; }
.top nav .who { display: inline-flex; align-items: center; color: var(--muted); font-size: .9em; text-decoration: none; }
.top nav .who:hover { color: var(--fg); }

/* S4 additions */
.badge { display: inline-block; padding: .1em .5em; border-radius: .5em; font-size: .72em; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin-left: .3em; vertical-align: middle; }
.badge.ok  { background: rgba(78,197,138,.18); color: var(--ok); border: 1px solid var(--ok); }
.badge.bad { background: rgba(255,107,107,.15); color: var(--err); border: 1px solid var(--err); }
.chart-wrap { margin-top: 1.5rem; }
.chart { width: 100%; max-width: 680px; height: auto; }
.chart .bar  { fill: var(--accent); }
.chart .axis { fill: var(--muted); }
.chart .val  { fill: var(--fg); font-weight: 600; font-size: 10px; }
.inline-check { display: flex; align-items: center; gap: .5rem; margin: 1rem 0; color: var(--fg); font-size: .95em; }
.inline-check input { width: auto; margin: 0; }
.pre-box { background: var(--bg); border: 1px solid var(--border); border-radius: .35rem; padding: .6rem .8rem; font-family: ui-monospace, monospace; font-size: .85em; }
input[type=file] { background: var(--bg); color: var(--fg); border: 1px dashed var(--border); padding: .5rem; border-radius: .35rem; width: 100%; }

/* area / group-by styling */
.pill { display: inline-block; padding: .15em .6em; background: rgba(78,161,255,.15); color: var(--accent); border-radius: 1em; font-size: .82em; text-decoration: none; border: 1px solid rgba(78,161,255,.3); }
.pill:hover { background: rgba(78,161,255,.25); text-decoration: none; }
tr.group-row td { background: rgba(78,161,255,.06); color: var(--accent); font-weight: 700; text-transform: uppercase; font-size: .75em; letter-spacing: .1em; padding: .6rem .6rem; border-top: 1px solid var(--border); }

/* Theme explicit override (data-theme beats prefers-color-scheme) */
html[data-theme="light"] { --bg:#f6f8ff; --fg:#0b1020; --muted:#5f6a8c; --card:#fff; --border:#e0e5f4; --accent:#2b6cff; --accent-fg:#fff; color-scheme: light; }
html[data-theme="dark"]  { --bg:#0b1020; --fg:#e6ecff; --muted:#8a97b8; --card:#131a30; --border:#24304f; --accent:#4ea1ff; --accent-fg:#0b1020; color-scheme: dark; }

/* Logo in header */
.top .brand { display: inline-flex; align-items: center; gap: .55rem; }
.top .brand .logo { width: 28px; height: 28px; border-radius: 6px; background: #fff; padding: 1px; flex: 0 0 auto; }
.icon-btn { background: none; color: var(--muted); border: 1px solid var(--border); border-radius: .35rem; padding: .3rem .55rem; cursor: pointer; font-size: 1rem; }
.icon-btn:hover { color: var(--fg); background: var(--border); }

/* Avatars (colored initials chip) */
.avatar { display: inline-flex; align-items: center; justify-content: center; width: 1.7rem; height: 1.7rem; border-radius: 50%; font-size: .72em; font-weight: 700; color: #fff; background: hsl(var(--h, 200), 55%, 45%); flex-shrink: 0; vertical-align: middle; letter-spacing: 0; }

/* Row flags */
tr.row-incomplete td { opacity: .78; }
tr.row-incomplete td:nth-child(2) .dot-warn { display: inline-block; margin-left: .35rem; width: 1.1em; height: 1.1em; line-height: 1.1em; font-size: .8em; font-weight: 700; text-align: center; background: var(--warn); color: var(--bg); border-radius: 50%; }
td.cold { color: var(--warn); font-weight: 600; }

/* Quick +1 button */
.plus-btn { background: transparent; color: var(--accent); border: 1px solid var(--border); padding: .1em .45em; border-radius: .3em; font-size: .78em; font-weight: 700; margin-left: .4em; cursor: pointer; }
.plus-btn:hover { background: var(--accent); color: var(--accent-fg); }
form.quick-ref { display: inline; }

/* Dashboard */
.grid2-flex { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.25rem; margin-top: 1.25rem; }
ol.rank { padding-left: 0; counter-reset: rank; list-style: none; margin: .5rem 0; }
ol.rank li { counter-increment: rank; display: grid; grid-template-columns: 1.2rem 1fr auto; align-items: center; gap: .6rem; padding: .35rem 0; border-bottom: 1px solid var(--border); }
ol.rank li::before { content: counter(rank); color: var(--muted); font-weight: 700; font-size: .85em; text-align: right; }
.rank-count { font-variant-numeric: tabular-nums; color: var(--accent); font-weight: 700; }
.name-chip { display: inline-flex; align-items: center; gap: .5rem; text-decoration: none; color: var(--fg); }
.name-chip:hover { color: var(--accent); }
.area-sub { color: var(--muted); font-size: .8em; }
ul.plain { list-style: none; padding: 0; margin: .5rem 0; }
ul.plain li { padding: .3rem 0; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; }

/* Map */
.map-area { width: 100%; height: calc(100vh - 260px); min-height: 400px; border-radius: .5rem; background: var(--bg); }
.map-area .leaflet-container { border-radius: .5rem; }
.pin-area { display: inline-block; padding: .1em .5em; background: rgba(78,161,255,.15); color: var(--accent); border-radius: 1em; font-size: .8em; }

/* Share row */
.share-row { display: flex; gap: .5rem; margin-top: 1.25rem; flex-wrap: wrap; }

/* Flash fade */
.flash.fade-out { opacity: 0; transition: opacity 1s ease; }

/* Analytics matrix */
table.matrix td.num { font-variant-numeric: tabular-nums; }
table.matrix td.cell-1 { background: rgba(78,161,255,.05); }
table.matrix td.cell-2 { background: rgba(78,161,255,.10); }
table.matrix td.cell-3 { background: rgba(78,161,255,.20); }
table.matrix td.cell-4 { background: rgba(78,161,255,.35); color: var(--accent-fg); font-weight: 700; }
table.matrix td.cell-5 { background: rgba(78,161,255,.55); color: var(--accent-fg); font-weight: 700; }

/* YoY chart bar styles */
.chart .bar-prev { fill: var(--muted); fill-opacity: .35; }

/* Heatmap labels */
.chart.heatmap rect { stroke: var(--card); stroke-width: 1; }

/* Advanced details disclosure */
details.advanced { margin: 1rem 0; padding: .8rem 1rem; background: var(--bg); border: 1px solid var(--border); border-radius: .5rem; }
details.advanced summary { cursor: pointer; color: var(--muted); font-size: .85em; user-select: none; }
details.advanced summary:hover { color: var(--fg); }
details.advanced[open] summary { color: var(--fg); margin-bottom: .5rem; }

/* Pin-on-form mini map */
.pin-map { width: 100%; height: 320px; border-radius: .5rem; border: 1px solid var(--border); }
.pin-map .leaflet-container { border-radius: .5rem; }

/* Referral status pills */
.status { display: inline-block; padding: .12em .55em; border-radius: 1em; font-size: .72em; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; vertical-align: middle; }
.status-logged    { background: rgba(78,161,255,.15); color: var(--accent); }
.status-completed { background: rgba(78,197,138,.18); color: var(--ok); }
.status-no_show   { background: rgba(255,180,84,.18); color: var(--warn); }
.status-declined  { background: rgba(255,107,107,.15); color: var(--err); }
.status-select { width: auto; min-width: 9rem; padding: .15em .35em; font-size: .8em; background: var(--bg); border: 1px solid var(--border); border-radius: .3em; color: var(--muted); }

/* Backup-codes display */
pre.codes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .35rem .8rem; padding: .75rem 1rem; background: var(--bg); border: 1px solid var(--border); border-radius: .35rem; font: 14px/1.4 ui-monospace, monospace; user-select: all; }
.codes-grid .code-line { padding: .05rem 0; }