:root {
  --bg: #f6f8fa;
  --card: #ffffff;
  --ink: #1b2330;
  --muted: #6a7686;
  --line: #e3e8ef;
  --brand: #2c7a7b;
  --brand-ink: #fff;
  --warn: #b7791f;
  --alert: #c53030;
  --ok: #2f855a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; gap: 1.5rem;
  background: var(--card); border-bottom: 1px solid var(--line);
  padding: .7rem 1.5rem;
}
.topbar .brand { font-weight: 700; font-size: 1.05rem; }
.topbar nav { display: flex; gap: 1.1rem; flex: 1; }
.topbar .logout button {
  background: none; border: 1px solid var(--line); color: var(--muted);
  padding: .3rem .7rem; border-radius: 6px; cursor: pointer;
}

.container { max-width: 980px; margin: 1.5rem auto; padding: 0 1.2rem; }
h1 { font-size: 1.5rem; margin: .2rem 0 1rem; }
h2 { font-size: 1.1rem; margin: 1.4rem 0 .6rem; }
section { margin-bottom: 1.4rem; }
.muted { color: var(--muted); }
.error { color: var(--alert); }
.hint { font-size: .8rem; color: var(--muted); }
.hint.warn { color: var(--warn); }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 1rem 1.2rem;
}
.card.warn { border-color: #ecc94b; }
.card.cta { border-color: var(--brand); }
.error-card { border-color: var(--alert); }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stat { text-align: center; }
.stat .num { font-size: 1.9rem; font-weight: 700; }
.stat .label { color: var(--muted); font-size: .85rem; }
.stat.warn .num { color: var(--warn); }
.stat.alert .num { color: var(--alert); }
@media (max-width: 700px) { .cards { grid-template-columns: repeat(2, 1fr); } }

button, .button {
  display: inline-block; border: 1px solid var(--line); background: #fff;
  color: var(--ink); padding: .5rem .9rem; border-radius: 7px; cursor: pointer;
  font-size: .95rem;
}
button.primary, .button.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
button.danger { background: #fff; color: var(--alert); border-color: #f0b6b6; }

input[type=text], input[type=password], input[type=date], select {
  padding: .45rem .55rem; border: 1px solid var(--line); border-radius: 6px;
  font: inherit; background: #fff;
}
label { display: block; margin: .6rem 0; }
label input { display: block; width: 100%; margin-top: .25rem; }

table.data { width: 100%; border-collapse: collapse; background: var(--card); }
table.data th, table.data td {
  text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line);
  font-size: .92rem;
}
table.data th { color: var(--muted); font-weight: 600; }
table.review input[type=text] { width: 100%; }

tr.flag-high td b, tr.flag-low td b, tr.flag-abnormal td b { color: var(--alert); }
tr.flag-normal td b { color: var(--ok); }
tr.conf-low { background: #fffaf0; }

.badge {
  display: inline-block; padding: .12rem .5rem; border-radius: 999px;
  font-size: .76rem; border: 1px solid var(--line); color: var(--muted);
}
.status-confirmed { background: #f0fff4; color: var(--ok); border-color: #c6f6d5; }
.status-extracted { background: #ebf8ff; color: #2b6cb0; border-color: #bee3f8; }
.status-extracting, .status-uploaded { background: #fffaf0; color: var(--warn); border-color: #feebc8; }
.status-extract_failed { background: #fff5f5; color: var(--alert); border-color: #fed7d7; }
.status-pending { background: #fffaf0; color: var(--warn); border-color: #feebc8; }
.status-rejected { color: var(--muted); }

.login-card {
  max-width: 360px; margin: 8vh auto; background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; padding: 2rem;
}
.login-card h1 { margin: 0; }

.doc-list, .analyte-list { list-style: none; padding: 0; }
.doc-list li, .analyte-list li { padding: .4rem 0; border-bottom: 1px solid var(--line); }
.doc-meta { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; margin-bottom: 1rem; }

pre.markdown {
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  padding: 1rem; white-space: pre-wrap; word-wrap: break-word; font-size: .9rem;
}
.chart-wrap { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; }

.disclaimer {
  max-width: 980px; margin: 2rem auto; padding: 0 1.2rem 2rem;
  color: var(--muted); font-size: .82rem;
}
.disclaimer-banner { background: #fffaf0; border-color: #feebc8; color: var(--warn); margin-bottom: 1rem; }
.danger-zone { margin-top: 2.5rem; }