:root {
  --bg: #f4f5f7; --card: #ffffff; --ink: #1f2a37; --muted: #6b7280; --line: #e2e5ea;
  --accent: #1f2a37; --accent-ink: #ffffff; --brand: #e8590c; --ok: #1a7f37; --err: #c92a2a;
  --warn-bg: #fff4e0; --warn-ink: #8a5300; --err-bg: #fdecec; --field: #ffffff; --changed: #fff3bf;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c; --card: #1b212a; --ink: #e8ecf1; --muted: #9aa5b3; --line: #2b3440;
    --accent: #e8ecf1; --accent-ink: #12161c; --brand: #ff8a4c; --ok: #4cc26a; --err: #ff7b7b;
    --warn-bg: #3a2e14; --warn-ink: #f0c36d; --err-bg: #3b1c1c; --field: #141a21; --changed: #4a3f10;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}
[hidden] { display: none !important; }
h1, h2, h3 { margin: 0 0 8px; line-height: 1.25; }
h1 { font-size: 26px; } h2 { font-size: 18px; } h3 { font-size: 15px; }
a { color: inherit; }
.muted { color: var(--muted); } .small { font-size: 13px; } .center { text-align: center; }
.grow { flex: 1; }
.wrap { max-width: 900px; margin: 0 auto; padding: 0 16px; }

/* поля */
input, select, textarea {
  font: inherit; font-size: 16px; color: var(--ink); background: var(--field);
  border: 1px solid var(--line); border-radius: 8px; padding: 9px 10px; width: 100%; min-width: 0;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: -1px; }
textarea { resize: vertical; }
input[type=checkbox], input[type=radio] { width: auto; }
.f { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.f > span { font-size: 13px; color: var(--muted); }
.f small { font-size: 12.5px; }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; margin-top: 6px; }
.check input { margin-top: 3px; }
.grid2 { display: grid; gap: 0 16px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .grid2 { grid-template-columns: 1fr 1fr; } }

/* кнопки */
.btn {
  font: inherit; font-weight: 600; cursor: pointer; border-radius: 10px; padding: 10px 16px; min-height: 42px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.sm { min-height: 34px; padding: 5px 12px; font-size: 14px; }
.btn.block { display: block; width: 100%; text-align: center; text-decoration: none; }
.btn:disabled { opacity: .5; cursor: default; }
.link { background: none; border: 0; padding: 4px 2px; font: inherit; font-size: 13.5px; color: var(--muted); text-decoration: underline; cursor: pointer; }
.link.danger { color: var(--err); }
.icon { width: 34px; height: 34px; flex: none; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--muted); font-size: 20px; line-height: 1; cursor: pointer; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip { font: inherit; font-size: 13.5px; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 999px; padding: 5px 12px; cursor: pointer; }
.chip.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 0 0 14px; }
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 10px; padding: 10px max(16px, calc((100vw - 900px) / 2 + 16px)); padding-top: max(10px, env(safe-area-inset-top)); background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-size: 17px; }
.user { font-size: 13px; }
.save-state { font-size: 13px; color: var(--muted); }
.save-state.ok { color: var(--ok); } .save-state.err { color: var(--err); } .save-state.pending { color: var(--warn-ink); }
.banner { border-radius: 10px; padding: 10px 14px; margin: 14px 0 0; font-size: 14px; }
.banner.warn { background: var(--warn-bg); color: var(--warn-ink); }
.banner.err { background: var(--err-bg); color: var(--err); display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.error, .status.err { color: var(--err); } .status.ok { color: var(--ok); }
.error { min-height: 20px; margin: 0 0 8px; font-size: 14px; }

/* вход */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 380px; }

/* список */
.list-tools { display: flex; gap: 10px; margin: 16px 0; flex-wrap: wrap; }
.list-tools input { flex: 1 1 220px; }
.est-list { display: grid; gap: 10px; padding-bottom: 32px; }
.est-card { display: flex; justify-content: space-between; gap: 12px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.est-main { display: flex; flex-direction: column; gap: 2px; text-decoration: none; flex: 1; min-width: 0; }
.est-main b { font-size: 16px; overflow-wrap: anywhere; }
.est-main span { overflow-wrap: anywhere; }
.est-side { display: flex; flex-direction: column; align-items: flex-end; justify-content: space-between; gap: 6px; }
.est-total-s { white-space: nowrap; }
.row-btns { display: flex; gap: 10px; }

/* помещения */
.rooms { display: grid; gap: 12px; margin: 12px 0; }
.room-card { border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.room-head { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.room-idx { width: 24px; height: 24px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-size: 13px; font-weight: 700; flex: none; }
.room-name { flex: 1 1 140px; font-weight: 600; }
.room-actions { display: flex; gap: 10px; }
.dims { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.dim > span:first-child, .op-f > span { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 3px; }
.dim-in { position: relative; display: block; }
.dim-in i { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); color: var(--muted); font-style: normal; pointer-events: none; }
.op-title { margin: 12px 0 6px; font-size: 13px; color: var(--muted); }
.openings { display: grid; gap: 8px; margin-bottom: 8px; }
.opening { display: grid; grid-template-columns: 1fr 1fr 1fr 60px 34px; gap: 6px; align-items: end; }
.op-type { grid-column: 1 / -1; }
@media (min-width: 640px) { .opening { grid-template-columns: 2fr 1fr 1fr 70px 34px; } .op-type { grid-column: auto; } }
.metrics { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 10px; font-size: 13.5px; }
.room-add { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* разделы и позиции */
.sections { margin-top: 12px; display: grid; gap: 10px; }
.sec { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.sec-head { display: flex; gap: 10px; align-items: center; width: 100%; text-align: left; background: var(--card); color: var(--ink); border: 0; padding: 12px 14px; font: inherit; cursor: pointer; }
.sec.has .sec-head { background: color-mix(in srgb, var(--brand) 9%, var(--card)); }
.sec-title { font-weight: 700; }
.sec-count { color: var(--muted); font-size: 13px; }
.sec-badge { margin-left: auto; font-size: 13px; color: var(--brand); white-space: nowrap; }
@media (max-width: 480px) { .sec-count { display: none; } .sec-sum { white-space: nowrap; } }
.sec-sum { font-weight: 700; }
.chev { width: 9px; height: 9px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .15s; margin: 0 4px 3px 2px; }
.sec.open .chev { transform: rotate(225deg); margin-bottom: -3px; }
.sec-body { display: none; border-top: 1px solid var(--line); }
.sec.open .sec-body { display: block; }
.wi { border-bottom: 1px solid var(--line); }
.wi.on { background: color-mix(in srgb, var(--brand) 6%, var(--card)); }
.wi-main { display: flex; gap: 10px; align-items: flex-start; padding: 10px 14px; cursor: pointer; }
.wi-main input { margin-top: 4px; width: 18px; height: 18px; flex: none; }
.wi-name { flex: 1; overflow-wrap: anywhere; }
.wi-price { color: var(--muted); font-size: 13px; text-align: right; white-space: nowrap; }
.wi-detail { padding: 0 14px 12px 42px; display: grid; gap: 8px; }
.wi-qty { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; }
.qty-label { font-size: 13px; color: var(--muted); }
.stepper { display: inline-flex; gap: 4px; }
.step-btn { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font-size: 18px; cursor: pointer; }
.qty-in { width: 84px; text-align: center; padding: 7px 6px; }
.k-wrap { display: inline-flex; align-items: center; gap: 6px; }
.k-in { width: 64px; text-align: center; padding: 7px 6px; }
.k-in.changed { background: var(--changed); border-color: var(--brand); }
.wi-eq { color: var(--muted); white-space: nowrap; }
.wi-sum { margin-left: auto; white-space: nowrap; }
.wi-note { font-size: 13px; color: var(--muted); }
.wi-note.warn { color: var(--warn-ink); }
.room-chips { align-items: center; }

/* свои работы */
.custom-box { display: grid; gap: 10px; padding: 10px 14px 0; }
.custom-box:empty { display: none; }
.custom-row { border: 1px dashed var(--muted); border-radius: 10px; padding: 10px; background: var(--card); }
.c-top { display: flex; gap: 8px; margin-bottom: 8px; }
.c-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
@media (min-width: 640px) { .c-grid { grid-template-columns: 90px 1fr 1.4fr 1fr 80px; } }
.c-f { display: flex; flex-direction: column; gap: 3px; }
.c-f > span:first-child { font-size: 12.5px; color: var(--muted); }
.c-auto { padding: 9px 2px; }
.c-bottom { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-top: 8px; }
.add-wrap { padding: 12px 14px; }
.add-custom { width: 100%; border-style: dashed; color: var(--muted); }

/* итоги */
.discount { display: grid; grid-template-columns: 90px 1fr; gap: 8px; }
.estimate { margin-top: 12px; }
.est-sec { border-top: 1px solid var(--line); padding: 8px 0; }
.est-sec-head { display: flex; justify-content: space-between; font-weight: 700; padding: 4px 0; }
.est-line { display: grid; grid-template-columns: 1fr auto; gap: 0 12px; padding: 5px 0; font-size: 14px; }
.est-name { grid-column: 1; }
.est-calc { grid-column: 1; color: var(--muted); font-size: 13px; }
.est-sum { grid-column: 2; grid-row: 1 / span 2; align-self: center; white-space: nowrap; }
.est-disc { border-top: 1px solid var(--line); }
.est-total { display: flex; justify-content: space-between; align-items: center; border-top: 2px solid var(--ink); margin-top: 8px; padding: 12px 0 0; font-size: 20px; font-weight: 700; }
.est-empty { display: grid; gap: 4px; padding: 18px 0; color: var(--muted); }

/* нижняя панель */
.editor { padding-bottom: 96px; }
.total-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: var(--card); border-top: 1px solid var(--line); padding: 10px 0 max(10px, env(safe-area-inset-bottom)); box-shadow: 0 -4px 16px rgba(0,0,0,.08); }
.total-bar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tb-info { display: flex; flex-direction: column; line-height: 1.2; }
.tb-info b { font-size: 20px; }

/* окно экспорта */
.overlay { position: fixed; inset: 0; z-index: 50; background: rgba(0,0,0,.45); display: flex; align-items: flex-end; justify-content: center; }
.sheet { width: 100%; max-width: 520px; max-height: 92vh; overflow: auto; background: var(--card); border-radius: 16px 16px 0 0; padding: 16px 16px max(16px, env(safe-area-inset-bottom)); }
@media (min-width: 640px) { .overlay { align-items: center; } .sheet { border-radius: 16px; } }
.sheet-head { display: flex; justify-content: space-between; align-items: center; }
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 8px 0; }
.seg label { cursor: pointer; }
.seg input { position: absolute; opacity: 0; }
.seg span { display: block; text-align: center; border: 1px solid var(--line); border-radius: 10px; padding: 10px; font-weight: 600; }
.seg input:checked + span { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.seg input:focus-visible + span { outline: 2px solid var(--brand); }
.status { min-height: 22px; margin: 12px 0 0; font-size: 14px; }
.toast { position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%); z-index: 60; background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; max-width: 90vw; font-size: 14px; }
.toast.err { background: var(--err); color: #fff; }

.sheet-h { margin: 14px 0 6px; font-size: 13px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.seg.kinds span { font-size: 14px; padding: 10px 6px; line-height: 1.25; }
.author { display: grid; gap: 0 12px; grid-template-columns: 1fr; margin-top: 8px; }
@media (min-width: 480px) { .author { grid-template-columns: 1.3fr 1fr; } }
.seg span { text-align: center; }

/* подсказки в полях: цифры-образцы бледные, чтобы отличать их от введённых значений */
input::placeholder, textarea::placeholder { color: var(--muted); opacity: .38; }
.f em { font-style: normal; opacity: .7; }
.k-icon { position: relative; color: var(--ink); width: 40px; height: 40px; border-color: var(--muted); }
.k-dot { position: absolute; top: 4px; right: 4px; width: 8px; height: 8px; border-radius: 50%; background: var(--brand); }
.discount-f { max-width: 320px; }
button.wi-price { background: none; border: 0; padding: 2px 0; font: inherit; font-size: 13px; color: var(--muted); cursor: pointer; text-align: right; white-space: nowrap; }
button.wi-price:hover { color: var(--ink); }
.wi-avail { color: var(--muted); font-size: 13px; white-space: nowrap; }
.wi-main .price-box { display: flex; gap: 6px; align-items: baseline; flex-wrap: wrap; justify-content: flex-end; text-align: right; }
.k-list { display: grid; gap: 6px; margin: 8px 0 14px; }
.k-row { display: flex; justify-content: space-between; gap: 10px; align-items: center; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 14px; }
.k-row b { white-space: nowrap; }
.k-preview { margin: 4px 0 14px; font-size: 14px; color: var(--muted); }
.k-preview b { color: var(--ink); }
#kBody .f { margin-bottom: 10px; }
#kDone { margin-top: 8px; }

.banner.info { background: color-mix(in srgb, var(--brand) 12%, var(--card)); color: var(--ink); }
#ownerFilter { flex: 0 1 220px; width: auto; }
.badge-master { display: inline-block; margin-left: 6px; padding: 1px 8px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-size: 11.5px; font-weight: 700; letter-spacing: .02em; }

/* редактор прайса (мастер) */
.p-row { display: grid; grid-template-columns: 1fr 96px 120px 34px; gap: 6px; align-items: center; padding: 8px 14px; border-bottom: 1px solid var(--line); }
.p-row .p-name { min-width: 0; }
.p-row .p-meta { grid-column: 1 / -1; font-size: 12.5px; color: var(--muted); }
.p-row.changed { background: color-mix(in srgb, var(--brand) 9%, var(--card)); }
.p-row.new { border-left: 3px solid var(--brand); }
.p-row.deleted input, .p-row.deleted select { text-decoration: line-through; opacity: .45; }
.p-row.deleted .p-meta { color: var(--err); }
.p-row.bad input { border-color: var(--err); outline: 1px solid var(--err); }
.p-row .p-basis { grid-column: 1 / -1; }
.p-add { padding: 12px 14px; }
@media (max-width: 640px) { .p-row { grid-template-columns: 1fr 1fr 34px; } .p-row .p-name { grid-column: 1 / -1; } }
.price-note { margin: 6px 0 10px; }
#kBody .price-note { margin-top: 4px; }