:root {
  --bg: #f5f7f8;
  --card: #fff;
  --text: #1d2a33;
  --muted: #5f6f7a;
  --line: #dde3e7;
  --accent: #0b6e8a;
  --accent-text: #fff;
  --good: #1f7a46;
  --good-bg: #e3f4ea;
  --warn: #8a5a00;
  --warn-bg: #fdf1d8;
  --bad: #a52a2a;
  --bad-bg: #fbe4e4;
  --repeat: #4b3f9e;
  --repeat-bg: #ebe8fb;
  --chart: #0077a3;
  --chart-pale: #8cc6dd;
  --grid: #e6ebee;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
h1 { font-size: 1.6rem; margin: 0 0 .25rem; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
.muted { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .6rem 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; text-decoration: none; color: var(--text); }
.brand img { display: block; }
.topbar nav { display: flex; align-items: center; gap: .9rem; }
.inline { display: inline; margin: 0; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 1.25rem 16px 3rem; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1.1rem 1.25rem; margin-bottom: 1.25rem; }
.card.warning { border-color: #e6c46a; background: #fffaf0; }

.btn { display: inline-block; padding: .6rem 1rem; border: 1px solid var(--accent); border-radius: 8px; background: var(--card); color: var(--accent); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.btn-primary { background: var(--accent); color: var(--accent-text); }
.btn-small { padding: .35rem .7rem; font-size: .9rem; }
.btn-big { padding: .85rem 1.4rem; font-size: 1.05rem; }
.link { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; cursor: pointer; text-decoration: underline; }

input, textarea { width: 100%; padding: .6rem .7rem; border: 1px solid #b9c4cb; border-radius: 8px; font: inherit; background: #fff; color: var(--text); }
input:focus, textarea:focus { outline: 3px solid #9fd3e3; border-color: var(--accent); }
label { display: block; font-weight: 600; margin-bottom: .9rem; }
label input, label textarea { margin-top: .3rem; font-weight: 400; }
.error { display: block; color: var(--bad); font-weight: 600; font-size: .9rem; margin-top: .2rem; }
.flash { padding: .7rem 1rem; border-radius: 8px; background: var(--good-bg); color: var(--good); font-weight: 600; }
.flash-error { background: var(--bad-bg); color: var(--bad); }

.login { max-width: 360px; margin: 3rem auto; }
.login h1 { margin-bottom: 1rem; text-align: center; }
.login-logo { display: block; width: 100%; max-width: 280px; height: auto; margin: 0 auto .75rem; }

.search input { font-size: 1.25rem; padding: .85rem 1rem; border-radius: 10px; }
.search { margin-bottom: 1rem; }

.results { list-style: none; margin: 0 0 1rem; padding: 0; background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.results li + li { border-top: 1px solid var(--line); }
.results a { display: flex; flex-wrap: wrap; align-items: center; gap: .3rem 1rem; padding: .8rem 1rem; color: var(--text); text-decoration: none; }
.results a:hover, .results a:focus { background: #eef6f9; }

.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: .55rem 0; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: .3rem .8rem; align-items: center; }
.list li:first-child { border-top: 0; }
.list .time { min-width: 3.2rem; font-variant-numeric: tabular-nums; }
.list .push { margin-left: auto; }

.tag { display: inline-block; padding: .1rem .55rem; border-radius: 999px; background: #edf0f2; color: var(--muted); font-size: .82rem; font-weight: 600; white-space: nowrap; }
.tag-good { background: var(--good-bg); color: var(--good); }
.tag-warn { background: var(--warn-bg); color: var(--warn); }
.tag-bad { background: var(--bad-bg); color: var(--bad); }
.tag-repeat { background: var(--repeat-bg); color: var(--repeat); }
.badges { display: inline-flex; flex-wrap: wrap; gap: .3rem; }

.client-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.25rem; }
.banner { display: inline-block; margin: .4rem 0 0; padding: .35rem .8rem; border-radius: 8px; background: #edf0f2; font-weight: 600; }
.banner-repeat { background: var(--repeat-bg); color: var(--repeat); }
.flag { padding: .75rem 0; border-top: 1px solid var(--line); }
.flag:first-of-type { border-top: 0; }
.flag p { margin: 0 0 .5rem; }
.flag .actions { gap: .5rem; }
.banner-warn { display: block; width: fit-content; background: var(--warn-bg); color: var(--warn); }

.columns { display: grid; grid-template-columns: 3fr 2fr; gap: 1.25rem; align-items: start; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: .75rem 0; border-top: 1px solid var(--line); }
.timeline li:first-child { border-top: 0; }
.when { font-size: .9rem; color: var(--muted); margin-bottom: .3rem; }
.comment { margin: .4rem 0 0; white-space: pre-wrap; }
.note-form { margin-bottom: 1rem; }
.note-form textarea { margin-bottom: .5rem; }

.form fieldset { border: 0; padding: 0; margin: 0 0 1.25rem; }
.form legend { font-weight: 700; margin-bottom: .5rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.span2 { grid-column: span 2; }
.dob input { display: block; max-width: 16rem; }
.form fieldset.contact { border: 1px solid var(--line); border-radius: 10px; padding: .75rem 1rem .25rem; }
.contact legend { padding: 0 .3rem; }
.form fieldset.contact.has-error { border-color: var(--bad); }
.contact > .error { margin: -.4rem 0 .75rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }

/* Big, thumb-friendly choices for the nurse */
.segmented, .tiles { display: flex; flex-wrap: wrap; gap: .5rem; }
.segmented legend, .tiles legend { width: 100%; }
.segmented label, .tile { margin: 0; font-weight: 600; }
.segmented input, .tile input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.segmented span, .tile span { display: flex; align-items: center; min-height: 3rem; padding: .6rem 1rem; border: 2px solid #b9c4cb; border-radius: 10px; background: #fff; cursor: pointer; user-select: none; }
.tile span::before { content: ""; flex: none; width: 1.15rem; height: 1.15rem; margin-right: .6rem; border: 2px solid #8c9aa3; border-radius: 4px; background: #fff; }
.tile input:checked + span::before { background: currentColor; border-color: currentColor; box-shadow: inset 0 0 0 2px #fff; }
.segmented input:checked + span { border-color: var(--accent); background: #e2f2f7; color: var(--accent); }
.cond-inflamed input:checked + span { border-color: var(--warn); background: var(--warn-bg); color: var(--warn); }
.cond-infected input:checked + span { border-color: var(--bad); background: var(--bad-bg); color: var(--bad); }
.tile-good input:checked + span { border-color: var(--good); background: var(--good-bg); color: var(--good); }
.tile-warn input:checked + span { border-color: var(--warn); background: var(--warn-bg); color: var(--warn); }
.tile-bad input:checked + span { border-color: var(--bad); background: var(--bad-bg); color: var(--bad); }
.segmented input:focus-visible + span, .tile input:focus-visible + span { outline: 3px solid #9fd3e3; }
.tiles .tile { flex: 1 1 15rem; }

@media (max-width: 760px) {
  .columns, .grid2 { grid-template-columns: 1fr; }
  .span2 { grid-column: auto; }
  .topbar .user { display: none; }
  .btn-big { width: 100%; text-align: center; }
}

.narrow { max-width: 560px; }
.hint { display: block; color: var(--muted); font-weight: 400; font-size: .88rem; margin-top: .25rem; }
p.hint { margin: -.4rem 0 .9rem; }
label.check { display: flex; align-items: flex-start; gap: .6rem; font-weight: 600; margin-bottom: .6rem; }
label.check input { width: auto; margin: .25rem 0 0; }
.check + .error { margin: -.3rem 0 .8rem; }
.table-wrap { padding: 0; overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: .65rem 1rem; text-align: left; border-top: 1px solid var(--line); white-space: nowrap; }
.table thead th { border-top: 0; font-size: .85rem; color: var(--muted); }
.table tr.inactive td { color: var(--muted); }
.row-actions { display: flex; gap: 1rem; }
.results-title { margin: 0 0 .5rem; }

/* Reports */
.report-filter { display: flex; align-items: center; gap: .5rem; }
.report-filter input { width: auto; padding: .35rem .6rem; }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.25rem; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .9rem 1.1rem; display: flex; flex-direction: column; gap: .2rem; }
.kpi-label { color: var(--muted); font-size: .9rem; }
.kpi-value { font-size: 2rem; font-weight: 600; line-height: 1.1; }
.kpi-delta { font-size: .85rem; color: var(--muted); }
.kpi-delta.up { color: var(--good); }
.kpi-delta.down { color: var(--bad); }
.chart-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.year-nav { display: flex; gap: 1rem; }
.chart-note { margin: -.4rem 0 .5rem; font-size: .9rem; }
.chart { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: #b9c4cb; stroke-width: 1; }
.chart text { font: 12px system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; fill: var(--muted); }
.chart .value { fill: var(--text); font-weight: 600; }
.chart .axis-selected { fill: var(--text); font-weight: 700; }
.chart .col { fill: var(--chart); }
.chart .col-future { fill: var(--chart-pale); }
.chart .hit { fill: transparent; }
.chart .mark:hover .hit, .chart .mark:focus .hit { fill: #eef6f9; }
.chart .mark:hover .col { fill: #005d80; }
.chart .mark:focus { outline: none; }
.chart .mark:focus-visible .hit { stroke: var(--accent); stroke-width: 2; }
.chart .col-selected { fill: #005d80; }
.chart .trend { fill: none; stroke: var(--chart); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .area { fill: var(--chart); opacity: .1; }
.chart .dot { fill: var(--chart); stroke: var(--card); stroke-width: 2; opacity: 0; }
.chart .mark:hover .dot, .chart .dot-selected { opacity: 1; }
.chart-table { margin-top: .75rem; }
.chart-table summary { cursor: pointer; color: var(--accent); font-weight: 600; }
.chart-table .table { margin-top: .5rem; }
.top-clients .bar-cell { min-width: 9rem; }
.top-clients .bar-track { display: inline-block; vertical-align: middle; width: 5rem; margin-right: .5rem; }
.top-clients .bar { display: block; height: 12px; min-width: 4px; border-radius: 0 4px 4px 0; background: var(--chart); }
.bar-value { font-weight: 600; font-variant-numeric: tabular-nums; }
@media (max-width: 760px) {
  .kpis { grid-template-columns: 1fr 1fr; }
  /* The chart is scaled down to fit, so its text is drawn larger. */
  .chart text { font-size: 24px; }
}

/* Two-step login */
.code-input { font-size: 1.4rem; letter-spacing: .2em; font-variant-numeric: tabular-nums; max-width: 14rem; display: block; }
.login-cancel { text-align: center; }
.steps { padding-left: 1.2rem; margin: 0 0 1rem; }
.steps li { margin-bottom: .8rem; }
.qr { width: 200px; height: 200px; margin: .75rem 0; padding: 4px; background: #fff; }
.qr svg { width: 100%; height: 100%; display: block; }
.setup-key { font: 600 1.1rem/1.4 ui-monospace, Consolas, monospace; letter-spacing: .05em; word-break: break-all; }
.backup-codes { columns: 2; padding-left: 1.6rem; margin: 1rem 0 1.25rem; }
.backup-codes li { margin-bottom: .35rem; }
.backup-codes code { font: 600 1.05rem ui-monospace, Consolas, monospace; }
@media print {
  .topbar, .no-print { display: none; }
  .card { border: 0; }
}
.login .hint { margin-top: .9rem; }
.code-input::placeholder { letter-spacing: normal; font-size: 1rem; }
.card > .hint { margin-top: .9rem; }