:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #1d4ed8;
  --primary-hover: #1e40af;
  --primary-soft: #dbeafe;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --ok: #15803d;
  --ok-soft: #dcfce7;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 14px/1.45 var(--font); color: var(--text); background: var(--bg); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0; font-weight: 650; }
h2 { font-size: 17px; margin: 0 0 12px; font-weight: 650; }
h3 { font-size: 16px; margin: 0; font-weight: 650; }
h4 { font-size: 14px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }
.loading, .empty { padding: 40px; text-align: center; color: var(--muted); }

/* ---------- Каркас ---------- */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: #0f172a; color: #cbd5e1; display: flex; flex-direction: column; padding: 16px 12px; position: sticky; top: 0; height: 100vh; }
.brand { display: block; padding: 6px 0 4px; margin: 0 0 18px; text-align: center; }
.brand:hover { text-decoration: none; opacity: .9; }
/* Логотип на прозрачном фоне с белой обводкой (на 20% меньше прежних 168px) */
.brand img { display: block; width: 134px; max-width: 100%; height: auto; margin: 0 auto;
  filter: drop-shadow(1.5px 0 0 #fff) drop-shadow(-1.5px 0 0 #fff) drop-shadow(0 1.5px 0 #fff) drop-shadow(0 -1.5px 0 #fff); }
.brand small { display: block; margin-top: 8px; color: #94a3b8; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a { color: #cbd5e1; padding: 9px 12px; border-radius: 6px; font-weight: 500; }
.sidebar nav a:hover { background: #1e293b; text-decoration: none; color: #fff; }
.sidebar nav a.active { background: var(--primary); color: #fff; }
.me { margin-top: auto; border-top: 1px solid #1e293b; padding: 12px 8px 0; display: flex; flex-direction: column; gap: 4px; }
.me b { display: block; color: #fff; }
.me small { color: #94a3b8; }
.me .link { color: #94a3b8; text-align: left; padding: 2px 0; }
.me .link:hover { color: #fff; }
.main { padding: 24px 28px 60px; min-width: 0; }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head h1 small { font-size: 14px; color: var(--muted); font-weight: 400; margin-left: 8px; }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar input[type=search] { min-width: 260px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.card + .card { margin-top: 16px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.card-head h2 { margin: 0; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cols { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 16px; align-items: start; }

.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.stat span { color: var(--muted); font-size: 13px; }
.stat b { display: block; font-size: 22px; margin-top: 4px; font-variant-numeric: tabular-nums; }
.stat.danger b { color: var(--danger); }
a.stat:hover { text-decoration: none; border-color: var(--primary); }

.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* ---------- Кнопки и поля ---------- */
button { font: inherit; cursor: pointer; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 6px; border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--text); font-weight: 500; white-space: nowrap; }
.btn:hover { background: var(--surface-2); border-color: #94a3b8; text-decoration: none; }
.btn:disabled { opacity: .55; cursor: default; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn.active { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); }
.link { background: none; border: 0; padding: 0; color: var(--primary); }
.link:hover { text-decoration: underline; }
.link-danger { color: var(--danger); }
.icon-btn { background: none; border: 0; font-size: 22px; line-height: 1; color: var(--muted); padding: 2px 6px; border-radius: 4px; }
.icon-btn:hover { background: var(--surface-2); color: var(--text); }

input, select, textarea { font: inherit; color: inherit; padding: 7px 10px; border: 1px solid var(--line-strong); border-radius: 6px; background: #fff; min-width: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }
textarea { resize: vertical; }
input[type=checkbox] { width: 16px; height: 16px; padding: 0; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 14px; }
.field { display: flex; flex-direction: column; gap: 4px; grid-column: span 2; }
.field.half { grid-column: span 1; }
.field > span { font-size: 13px; color: var(--muted); font-weight: 500; }
.field small { color: var(--muted); font-size: 12px; }
.field-check { flex-direction: row-reverse; justify-content: flex-end; align-items: center; gap: 8px; }
.form-section { grid-column: span 2; margin: 8px 0 0; padding-top: 10px; border-top: 1px solid var(--line); }
.form-error { color: var(--danger); margin-top: 10px; min-height: 0; }
.form-error:empty { display: none; }
.actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }

/* ---------- Таблицы ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.card .table-wrap { border: 0; border-radius: 0; margin: 0 -18px; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.table th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .02em; background: var(--surface-2); }
.table tbody tr:last-child td { border-bottom: 0; }
.table.clickable tbody tr { cursor: pointer; }
.table.clickable tbody tr:hover { background: #f1f5f9; }
.table td.num, .table th.num { text-align: right; }
.table tfoot td { font-weight: 650; background: var(--surface-2); }
tr.row-warn td { background: var(--warn-soft); }
tr.row-danger td { background: var(--danger-soft); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: #e2e8f0; color: #334155; white-space: nowrap; }
.st-new { background: #e0e7ff; color: #3730a3; }
.st-measure { background: #fae8ff; color: #86198f; }
.st-approved { background: #cffafe; color: #155e75; }
.st-production { background: var(--warn-soft); color: var(--warn); }
.st-ready { background: var(--ok-soft); color: var(--ok); }
.st-installed { background: #d1fae5; color: #065f46; }
.st-done { background: #e2e8f0; color: #475569; }
.st-cancelled { background: var(--danger-soft); color: var(--danger); }
.pos { color: var(--ok); }
.neg { color: var(--danger); }
.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 12px; }
.alert-warn { background: var(--warn-soft); color: #78350f; }
.alert-err { background: var(--danger-soft); color: #7f1d1d; }
.alert-ok { background: var(--ok-soft); color: #14532d; }
.alert ul { margin: 4px 0 0; padding-left: 18px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; flex-wrap: wrap; }
.tabs button { background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 14px; color: var(--muted); font-weight: 500; margin-bottom: -1px; }
.tabs button.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ---------- Модальные окна и уведомления ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(15, 23, 42, .45); display: flex; align-items: flex-start; justify-content: center; padding: 6vh 16px; z-index: 50; overflow-y: auto; }
.modal { background: var(--surface); border-radius: 10px; width: 100%; max-width: 520px; box-shadow: 0 20px 50px rgba(0, 0, 0, .25); }
.modal-wide { max-width: 860px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.modal-body { padding: 18px; }
.modal-body p { margin-top: 0; }
#toasts { position: fixed; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast { padding: 10px 16px; border-radius: 6px; color: #fff; background: #0f172a; box-shadow: var(--shadow); transition: opacity .4s; max-width: 380px; }
.toast-err { background: var(--danger); }
.toast.hide { opacity: 0; }

/* ---------- Вход ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: linear-gradient(160deg, #0f172a, #1e3a8a); }
.login { width: 100%; max-width: 360px; }
.login-logo { display: block; width: 220px; max-width: 100%; height: auto; margin: 4px auto 14px; }
.login p { margin: 0 0 18px; color: var(--muted); text-align: center; }
.print-logo { display: block; height: 46px; width: auto; margin-left: auto; }

/* ---------- Конструктор ---------- */
.editor { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 16px; align-items: start; }
.canvas { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; box-shadow: var(--shadow); }
.canvas svg { width: 100%; height: auto; max-height: calc(100vh - 230px); display: block; user-select: none; }
.panel { display: flex; flex-direction: column; gap: 10px; position: sticky; top: 16px; max-height: calc(100vh - 32px); min-height: 0; }
.panel-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; padding: 4px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); flex: 0 0 auto; }
.panel-tabs button { background: none; border: 0; border-radius: 6px; padding: 7px 4px; font-weight: 600; font-size: 13px; color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: 1px; line-height: 1.2; }
.panel-tabs button:hover { background: var(--surface-2); color: var(--text); }
.panel-tabs button.active { background: var(--primary); color: #fff; }
.panel-tabs button small { font-size: 11px; font-weight: 500; white-space: nowrap; opacity: .85; }
.panel-tabs button.has-error:not(.active) { color: var(--danger); }
.panel-tabs button.active small.neg { color: #fff; }
.panel-body { display: flex; flex-direction: column; gap: 10px; overflow-y: auto; min-height: 0; padding-bottom: 2px; }
.panel .card { padding: 12px 14px; }
.panel .card + .card { margin-top: 0; }
.panel h4 { font-size: 12px; text-transform: uppercase; color: var(--muted); letter-spacing: .03em; margin-bottom: 8px; }
.row { display: flex; gap: 8px; align-items: center; }
.row > * { flex: 1; }
.row > .btn, .row > .shrink { flex: 0 0 auto; }
.mini-label { font-size: 12px; color: var(--muted); display: block; margin-bottom: 3px; }
.btn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.btn-grid .btn { justify-content: center; }
.templates { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.templates button { background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; padding: 6px; display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 11px; color: var(--muted); }
.templates button:hover { border-color: var(--primary); color: var(--primary); }
.templates svg { width: 100%; height: 44px; }
.opens { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; }
.split-btns { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.split-btns .btn { justify-content: center; padding: 4px 2px; }
.main:has(.editor) { padding-bottom: 16px; }
.opens button { background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; padding: 3px; }
.opens button.active { border-color: var(--primary); background: var(--primary-soft); }
.opens svg { width: 100%; height: 34px; display: block; }
.sizes { display: flex; flex-direction: column; gap: 6px; }
.price-box { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }
.calc-list { font-size: 13px; }
.calc-list table { width: 100%; border-collapse: collapse; }
.calc-list td { padding: 3px 0; border-bottom: 1px dashed var(--line); }
.calc-list td:last-child { text-align: right; white-space: nowrap; }

/* SVG чертёж */
.d-frame { fill: #f1f5f9; stroke: #334155; stroke-width: 2; }
.d-impost { fill: #e2e8f0; stroke: #334155; stroke-width: 1.5; }
.d-sash { fill: #f8fafc; stroke: #334155; stroke-width: 1.5; }
.d-glass { fill: #dbeafe; stroke: #64748b; stroke-width: 1; }
.d-panel { fill: #e5e7eb; stroke: #64748b; stroke-width: 1; }
.d-open { fill: none; stroke: #475569; stroke-width: 1.4; stroke-dasharray: 10 6; }
.d-handle { fill: #334155; }
.d-cell { fill: transparent; cursor: pointer; }
.d-cell:hover { fill: rgba(29, 78, 216, .08); }
.d-cell.sel { fill: rgba(29, 78, 216, .16); stroke: var(--primary); stroke-width: 4; }
.d-dim { stroke: #64748b; stroke-width: 1; fill: none; }
.d-dim-text { fill: #0f172a; font: 600 34px var(--font); text-anchor: middle; }
.d-dim-text.small { font-size: 28px; font-weight: 500; fill: #334155; }
.d-label { fill: #475569; font: 500 28px var(--font); text-anchor: middle; }
.thumb { width: 96px; height: 72px; display: block; }
.thumb svg { width: 100%; height: 100%; }

/* Раскрой */
.bars { display: flex; flex-direction: column; gap: 4px; }
.bar { display: flex; height: 26px; border: 1px solid var(--line-strong); border-radius: 3px; overflow: hidden; background: repeating-linear-gradient(45deg, #f1f5f9 0 6px, #e2e8f0 6px 12px); font-size: 11px; }
.bar > div { background: #bfdbfe; border-right: 2px solid #fff; display: flex; align-items: center; justify-content: center; overflow: hidden; white-space: nowrap; color: #1e3a8a; font-weight: 600; }
.bar > div:nth-child(even) { background: #93c5fd; }
.bar-over > div { background: var(--danger-soft); color: var(--danger); }

@media (max-width: 1100px) {
  .editor, .cols { grid-template-columns: 1fr; }
  .panel { position: static; max-height: none; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; }
  .brand { max-width: 200px; }
  .me { flex-direction: row; flex-wrap: wrap; gap: 12px; align-items: center; }
  .main { padding: 16px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .field, .field.half { grid-column: span 1; }
}

/* ---------- Печать ---------- */
.print-page { background: #fff; max-width: 1000px; margin: 0 auto; padding: 24px; }
.print-page .table-wrap { border: 0; }
.print-page .table th, .print-page .table td { padding: 5px 8px; font-size: 12px; }
.print-item { display: grid; grid-template-columns: 260px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); break-inside: avoid; }
.print-item svg { width: 100%; height: auto; }
.print-head { display: flex; justify-content: space-between; gap: 20px; border-bottom: 2px solid var(--text); padding-bottom: 10px; margin-bottom: 14px; }
.print-section { margin-top: 20px; break-inside: avoid-page; }
.print-bar-toolbar { position: sticky; top: 0; background: var(--bg); padding: 10px 24px; display: flex; gap: 8px; justify-content: center; border-bottom: 1px solid var(--line); }
@media print {
  body { background: #fff; }
  .no-print, .print-bar-toolbar { display: none !important; }
  .print-page { padding: 0; max-width: none; }
  .d-cell.sel { fill: transparent; stroke: none; }
}
.bar, .bar > div, .d-glass, .badge { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
.row input, .row select { width: 100%; }

/* Несколько изделий в разделе «Чертёж» */
.draft-bar { display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; margin-bottom: 14px; flex-wrap: wrap; }
.draft-tabs { display: flex; gap: 8px; flex-wrap: wrap; align-items: stretch; flex: 1; }
.draft-tab { display: flex; align-items: center; background: var(--surface); border: 1px solid var(--line-strong); border-radius: 8px; }
.draft-tab.active { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); background: var(--primary-soft); }
.draft-tab.has-error { border-color: var(--danger); }
.draft-tab-main { background: none; border: 0; padding: 6px 12px; text-align: left; display: flex; flex-direction: column; }
.draft-tab-main small { color: var(--muted); font-size: 12px; white-space: nowrap; }
.draft-tab-actions { display: flex; padding-right: 4px; }
.draft-tab-actions .icon-btn { font-size: 18px; }
.draft-add { border-style: dashed; }
.draft-total { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; font-size: 16px; white-space: nowrap; }