:root {
  --ground: #f6f8f7;
  --surface: #ffffff;
  --sunk: #edf1f0;
  --ink: #16211f;
  --ink-soft: #4a5956;
  --ink-faint: #7d8e8a;
  --rule: #dbe3e1;
  --accent: #0f6e63;
  --accent-soft: #e2efec;
  --ok: #2c7a52;
  --ok-soft: #e6f2ea;
  --warn: #8a5a18;
  --warn-soft: #f9efdd;
  --stop: #8e2b48;
  --stop-soft: #f7e6ea;
  --radius: 6px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0d1514; --surface: #131e1c; --sunk: #0a1211;
    --ink: #e3edea; --ink-soft: #a3b4b0; --ink-faint: #728380;
    --rule: #24332f; --accent: #58c4b2; --accent-soft: #17302c;
    --ok: #63bc8b; --ok-soft: #14291f; --warn: #d7a257; --warn-soft: #2a2012;
    --stop: #de8aa0; --stop-soft: #2c1620;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* --- шапка --- */
.topbar {
  display: flex; align-items: center; gap: 1rem;
  padding: .7rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--rule);
  position: sticky; top: 0; z-index: 20;
  flex-wrap: wrap;
}
.brand { font-weight: 650; letter-spacing: -.01em; color: var(--accent); }
.tabs { display: flex; gap: .25rem; }
.tab {
  border: 0; background: transparent; color: var(--ink-soft);
  padding: .4rem .75rem; border-radius: var(--radius); cursor: pointer; font: inherit;
}
.tab:hover { background: var(--sunk); }
.tab.is-active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.profile {
  margin-left: auto; padding: .35rem .5rem;
  border: 1px solid var(--rule); border-radius: var(--radius);
  background: var(--surface); color: var(--ink); font: inherit;
}

main { max-width: 1400px; margin: 0 auto; padding: 1rem; }
.view { display: none; }
.view.is-active { display: block; }

/* --- кнопки --- */
.btn {
  font: inherit; cursor: pointer; border-radius: var(--radius);
  padding: .45rem .9rem; border: 1px solid var(--rule); background: var(--surface); color: var(--ink);
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border-color: transparent; color: var(--ink-soft); }
.btn:disabled { opacity: .5; cursor: default; }

.hint, .muted { color: var(--ink-faint); font-size: .88rem; }
.status { padding: .6rem .8rem; border-radius: var(--radius); margin: .6rem 0; font-size: .9rem; }
.status.ok { background: var(--ok-soft); color: var(--ok); }
.status.err { background: var(--stop-soft); color: var(--stop); }
.status.info { background: var(--accent-soft); color: var(--accent); }

/* --- список бланков --- */
.upload-row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.doc-list { display: grid; gap: .6rem; }
.doc-card {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--rule);
  border-radius: var(--radius); padding: .8rem 1rem; cursor: pointer;
}
.doc-card:hover { border-color: var(--accent); }
.doc-card .name { font-weight: 600; }
.doc-card .meta { color: var(--ink-faint); font-size: .86rem; }
.doc-card .spacer { margin-left: auto; }
.chip {
  font-size: .78rem; padding: .15rem .5rem; border-radius: 999px;
  background: var(--sunk); color: var(--ink-soft); white-space: nowrap;
}
.chip.review { background: var(--warn-soft); color: var(--warn); }
.chip.ok { background: var(--ok-soft); color: var(--ok); }
.chip.err { background: var(--stop-soft); color: var(--stop); }

/* --- экран подтверждения --- */
.review { display: none; }
.review.is-active { display: block; }
.review-head {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding-bottom: .8rem; border-bottom: 1px solid var(--rule); margin-bottom: 1rem;
}
.review-meta { display: flex; flex-direction: column; }
.date-box { margin-left: auto; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.date-box label { font-size: .86rem; color: var(--ink-soft); }
.date-box input { font: inherit; padding: .3rem .5rem; border: 1px solid var(--rule);
  border-radius: var(--radius); background: var(--surface); color: var(--ink); }
.date-warn { font-size: .8rem; color: var(--warn); }

.review-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1rem; }
@media (max-width: 900px) { .review-body { grid-template-columns: 1fr; } }

.original {
  background: var(--sunk); border: 1px solid var(--rule); border-radius: var(--radius);
  overflow: auto; max-height: 78vh; padding: .5rem;
}
.page-wrap { position: relative; display: inline-block; }
.page-wrap img { display: block; max-width: 100%; height: auto; }
.highlight {
  position: absolute; border: 2px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 3px; pointer-events: none; transition: all .12s ease-out;
}

.rows { max-height: 78vh; overflow: auto; }
.rows-actions { display: flex; align-items: center; gap: .8rem; margin-bottom: .7rem; flex-wrap: wrap; }

.row {
  display: grid; grid-template-columns: 1fr auto; gap: .3rem .8rem;
  background: var(--surface); border: 1px solid var(--rule);
  border-left: 3px solid var(--ok);
  border-radius: var(--radius); padding: .6rem .8rem; margin-bottom: .45rem; cursor: pointer;
}
.row:hover { border-color: var(--accent); }
.row.is-review { border-left-color: var(--warn); background: var(--warn-soft); }
.row.is-critical { border-left-color: var(--stop); background: var(--stop-soft); }
.row.is-done { border-left-color: var(--ok); opacity: .62; }
.row.is-selected { outline: 2px solid var(--accent); outline-offset: 1px; }
.row .r-name { font-weight: 600; }
.row .r-value { font-variant-numeric: tabular-nums; white-space: nowrap; font-weight: 600; }
.row .r-sub { grid-column: 1 / -1; font-size: .84rem; color: var(--ink-faint);
  display: flex; gap: .8rem; flex-wrap: wrap; }
.row .r-reasons { grid-column: 1 / -1; font-size: .84rem; color: var(--warn); }
.row.is-critical .r-reasons { color: var(--stop); }
.row .r-edit { grid-column: 1 / -1; display: none; gap: .4rem; flex-wrap: wrap; align-items: center;
  padding-top: .5rem; border-top: 1px dashed var(--rule); margin-top: .3rem; }
.row.is-open .r-edit { display: flex; }
.row .r-edit input { font: inherit; padding: .3rem .45rem; border: 1px solid var(--rule);
  border-radius: var(--radius); background: var(--surface); color: var(--ink); }
.row .r-edit input.value { width: 7rem; font-variant-numeric: tabular-nums; }
.row .r-edit input.unit { width: 6rem; }
.flag { font-size: .78rem; padding: .1rem .4rem; border-radius: 3px; }
.flag.H { background: var(--stop-soft); color: var(--stop); }
.flag.L { background: var(--accent-soft); color: var(--accent); }
.flag.N { background: var(--ok-soft); color: var(--ok); }

/* --- история --- */
.history-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 1.2rem; }
@media (max-width: 800px) { .history-layout { grid-template-columns: 1fr; } }
.analyte-list { max-height: 78vh; overflow: auto; display: flex; flex-direction: column; gap: .15rem; }
.analyte-list button {
  text-align: left; border: 0; background: transparent; color: var(--ink);
  padding: .4rem .55rem; border-radius: var(--radius); cursor: pointer; font: inherit;
}
.analyte-list button:hover { background: var(--sunk); }
.analyte-list button.is-active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.analyte-list .group-label {
  font-size: .74rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--ink-faint); padding: .7rem .55rem .2rem;
}
.chart-pane h2 { margin: 0 0 .2rem; font-size: 1.2rem; }
#chart { margin: 1rem 0; }
#chart svg { width: 100%; height: auto; }
.points { width: 100%; border-collapse: collapse; font-size: .88rem; margin-top: 1rem; }
.points th, .points td { text-align: left; padding: .4rem .6rem; border-bottom: 1px solid var(--rule); }
.points th { font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-faint); }
.points td.num { font-variant-numeric: tabular-nums; }
.note-line { font-size: .86rem; color: var(--warn); padding: .4rem 0; }

/* --- ручной ввод --- */
.manual-form { max-width: 560px; display: flex; flex-direction: column; gap: .7rem;
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 1.2rem; }
.manual-form h2 { margin: 0; font-size: 1.15rem; }
.manual-form label { display: flex; flex-direction: column; gap: .25rem; font-size: .88rem; color: var(--ink-soft); }
.manual-form input {
  font: inherit; padding: .45rem .55rem; border: 1px solid var(--rule);
  border-radius: var(--radius); background: var(--surface); color: var(--ink);
}
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }

.footer {
  max-width: 1400px; margin: 2rem auto 1rem; padding: 1rem;
  border-top: 1px solid var(--rule); display: flex; gap: 1rem;
  justify-content: space-between; flex-wrap: wrap; font-size: .84rem; color: var(--ink-faint);
}

/* --- экран входа --- */
.login-screen {
  position: fixed; inset: 0; z-index: 100;
  background: var(--ground);
  display: grid; place-items: center; padding: 1.2rem;
}
/* Правило браузера для атрибута hidden — это display:none без класса,
   и любой авторский display его перебивает. Без этой строки экран входа
   остаётся поверх приложения даже после успешного входа. */
.login-screen[hidden] { display: none; }
.login-card {
  width: min(360px, 100%);
  background: var(--surface); border: 1px solid var(--rule);
  border-radius: var(--radius); padding: 1.6rem;
  display: flex; flex-direction: column; gap: .8rem;
}
.login-brand { font-size: 1.3rem; font-weight: 650; color: var(--accent); letter-spacing: -.01em; }
.login-card p { margin: -.6rem 0 .4rem; }
.login-card label { display: flex; flex-direction: column; gap: .3rem;
  font-size: .88rem; color: var(--ink-soft); }
.login-card input {
  font: inherit; padding: .6rem .6rem; border: 1px solid var(--rule);
  border-radius: var(--radius); background: var(--surface); color: var(--ink);
}
.login-card input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.login-card .btn { margin-top: .3rem; padding: .6rem; }

/* --- подсказка о чужом профиле --- */
.profile-hint {
  display: flex; align-items: center; gap: .8rem; flex-wrap: wrap;
  background: var(--warn-soft); color: var(--warn);
  border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent);
  border-radius: var(--radius); padding: .7rem .9rem; margin-bottom: .9rem;
  font-size: .92rem;
}
.profile-hint[hidden] { display: none; }
.photo-note {
  margin: .5rem 0; padding: .6rem .8rem; border-radius: var(--radius);
  background: var(--warn-soft); color: var(--warn); font-size: .88rem;
}
.profile-hint .btn { margin-left: auto; }