:root {
  --bg: #f6f7f9; --surface: #ffffff; --text: #1a1d21; --muted: #6b7280;
  --line: #e4e7eb; --accent: #1f6feb; --accent-text: #ffffff;
  --danger: #c62828; --ok: #2e7d32; --warn-bg: #fff4d6; --warn-text: #7a5b00;
  --radius: 10px; --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111317; --surface: #1a1d23; --text: #e8eaed; --muted: #9aa0a6;
    --line: #2b2f36; --accent: #4c8dff; --accent-text: #0b0d10;
    --danger: #ef5350; --ok: #66bb6a; --warn-bg: #3a3014; --warn-text: #f0d27a;
  }
}
:root[data-theme="dark"] {
  --bg: #111317; --surface: #1a1d23; --text: #e8eaed; --muted: #9aa0a6;
  --line: #2b2f36; --accent: #4c8dff; --accent-text: #0b0d10;
  --danger: #ef5350; --ok: #66bb6a; --warn-bg: #3a3014; --warn-text: #f0d27a;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 var(--font); }
a { color: var(--accent); text-decoration: none; }
.env-bar { background: var(--warn-bg); color: var(--warn-text); text-align: center; font-size: 13px; padding: 4px; }
header { display: flex; align-items: center; gap: 16px; padding: 12px 16px;
  background: var(--surface); border-bottom: 1px solid var(--line); }
header .brand { font-weight: 700; }
header nav { display: flex; gap: 14px; flex: 1; }
header .who { color: var(--muted); font-size: 14px; }
main { max-width: 1100px; margin: 0 auto; padding: 20px 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.narrow { max-width: 380px; margin: 8vh auto 0; }
h1 { font-size: 22px; margin: 0 0 16px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }
input { width: 100%; padding: 10px 12px; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; }
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button, .btn { display: inline-block; padding: 10px 16px; font: inherit; font-weight: 600; cursor: pointer;
  border: 0; border-radius: 8px; background: var(--accent); color: var(--accent-text); }
button.link { background: none; color: var(--muted); padding: 0; font-weight: 400; }
.full { width: 100%; margin-top: 18px; }
.msg { padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; font-size: 14px; }
.msg.err { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }
.msg.ok { background: color-mix(in srgb, var(--ok) 12%, transparent); color: var(--ok); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); }
th { font-size: 13px; color: var(--muted); font-weight: 500; }
.muted { color: var(--muted); }
@media (max-width: 600px) {
  header { flex-wrap: wrap; }
  header nav { order: 3; width: 100%; }
}

/* ---------- этап 2 ---------- */
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 16px 0 6px; color: var(--muted); font-weight: 500; }
.small { font-size: 13px; }
.lead { font-size: 16px; margin: -6px 0 16px; }
.btn.small, button.small { padding: 6px 10px; font-size: 13px; }
.btn.ghost, button.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }
header a.brand { color: var(--text); }
header nav a { color: var(--text); }
select, textarea { width: 100%; padding: 9px 10px; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
fieldset[disabled] input, fieldset[disabled] select, fieldset[disabled] textarea { opacity: .75; }
form button { margin-top: 12px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row button { margin-top: 0; }
.row input, .row select { flex: 1; min-width: 140px; }
.card + .card, .cols .card { margin-top: 16px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.cols > div > .card:first-child { margin-top: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 12px; }
.span2 { grid-column: span 2; } .span3 { grid-column: span 3; }
details summary { cursor: pointer; margin: 12px 0 4px; color: var(--muted); }
.cardhead { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 16px; }
.cardhead h1 { margin: 2px 0; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.stages, .lost { display: flex; flex-wrap: wrap; gap: 6px; }
.lost { margin-top: 10px; }
.stages form, .lost form { margin: 0; }
.step { margin: 0; padding: 7px 10px; font-size: 13px; font-weight: 500; border-radius: 6px; cursor: pointer;
  background: var(--bg); color: var(--text); border: 1px solid var(--line); display: inline-block; }
span.step { cursor: default; }
.step.past { background: color-mix(in srgb, var(--accent) 14%, var(--bg)); }
.step.cur { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.step.lostbtn { color: var(--danger); }
.step.lostbtn.cur { background: var(--danger); color: #fff; border-color: var(--danger); }
#lostform { margin-top: 10px; }
.convert { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.msg:not(.err):not(.ok) { background: var(--warn-bg); color: var(--warn-text); }
.listhead { display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap; }
.listhead h1 { margin: 0; }
.search { flex: 1; max-width: 560px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; margin: 14px 0; }
.chip { padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; font-size: 13px; color: var(--text); background: var(--surface); }
.chip b { color: var(--muted); font-weight: 600; margin-left: 2px; }
.chip.on { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.chip.on b { color: inherit; }
table.list { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
table.list tbody tr { cursor: pointer; }
table.list tbody tr:hover { background: color-mix(in srgb, var(--accent) 5%, transparent); }
table.list tr.closed { opacity: .6; }
table.team tbody tr, table.users tbody tr { cursor: default; }
table.users input, table.users select { padding: 6px 8px; font-size: 13px; }
table.users .acts { white-space: nowrap; }
table.users .acts button { margin: 2px 0; }
td.num, th.num { text-align: right; white-space: nowrap; }
.late { color: var(--danger); font-weight: 600; }
.warn { color: var(--warn-text); background: var(--warn-bg); padding: 1px 6px; border-radius: 4px; font-size: 13px; }
.pager { display: flex; justify-content: space-between; margin-top: 12px; }
ul.timeline, ul.rem, ul.plain { list-style: none; margin: 12px 0 0; padding: 0; }
ul.timeline li { padding: 8px 0; border-top: 1px solid var(--line); }
ul.timeline .meta { font-size: 12px; color: var(--muted); }
ul.timeline .k-comment .text { white-space: pre-wrap; }
ul.rem li { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; padding: 6px 0; border-top: 1px solid var(--line); }
ul.rem li form { margin: 0; } ul.rem li form button { margin: 0; font-size: 13px; }
ul.rem .due { font-variant-numeric: tabular-nums; min-width: 120px; }
ul.rem li.late .due { color: var(--danger); font-weight: 600; }
ul.rem li.done { opacity: .5; text-decoration: line-through; }
dl.ro { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; font-size: 13px; margin: 14px 0 0; }
dl.ro dt { color: var(--muted); } dl.ro dd { margin: 0; word-break: break-all; }
.phones { margin: 12px 0 0; font-size: 14px; }
code.big { font-size: 18px; padding: 2px 6px; background: var(--bg); border-radius: 4px; user-select: all; }
@media (max-width: 860px) {
  .cols, .grid2, .grid3 { grid-template-columns: 1fr; }
  .span2, .span3 { grid-column: auto; }
  table.list thead { display: none; }
  table.list, table.list tbody, table.list tr, table.list td { display: block; width: 100%; }
  table.list tr { padding: 10px 12px; border-bottom: 1px solid var(--line); }
  table.list td { border: 0; padding: 2px 0; }
  table.list td[data-l]:not(:first-child)::before { content: attr(data-l) ": "; color: var(--muted); font-size: 12px; }
  td.num { text-align: left; }
}
ul.docs li { padding: 6px 0; border-top: 1px solid var(--line); }
ul.docs li:first-child { border-top: 0; }
.callok { color: var(--ok); }