/* Price Manager — premium design system (light + dark) */
:root{
  --bg:#f6f7f9; --surface:#ffffff; --surface-2:#fbfbfc; --surface-3:#f2f3f5;
  --text:#15161a; --muted:#6b7280; --faint:#9aa1ac;
  --border:#ececf0; --border-2:#e3e4e9;
  --accent:#5b5bd6; --accent-2:#7c6cf0; --accent-ink:#ffffff;
  --accent-soft:#eef0ff; --accent-ring:rgba(91,91,214,.28);
  --green:#15a05a; --green-soft:#e3f6ec;
  --amber:#b7791f; --amber-soft:#fdf3e2;
  --red:#dc2b3a; --red-soft:#fde8ea;
  --grey-soft:#eef0f3;
  --radius:14px; --radius-sm:10px; --radius-lg:18px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05);
  --shadow:0 1px 3px rgba(16,24,40,.06), 0 8px 24px rgba(16,24,40,.05);
  --shadow-lg:0 12px 40px rgba(16,24,40,.14);
  --grad:linear-gradient(135deg,#6366f1,#8b5cf6);
  --sb:248px;
  --font:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
[data-theme="dark"]{
  --bg:#0d0e12; --surface:#15171c; --surface-2:#191b21; --surface-3:#1f222a;
  --text:#e8eaf0; --muted:#9aa0ad; --faint:#6b7280;
  --border:#262a33; --border-2:#2f343f;
  --accent:#7c7cf5; --accent-2:#9d8cff; --accent-soft:#1d1f3a; --accent-ring:rgba(124,124,245,.35);
  --green:#3ddc84; --green-soft:#10301f; --amber:#f0b429; --amber-soft:#30260f;
  --red:#ff6b75; --red-soft:#311318; --grey-soft:#21242c;
  --shadow:0 1px 3px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35);
  --shadow-lg:0 16px 50px rgba(0,0,0,.55);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);
  font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;letter-spacing:-.006em}
a{color:inherit;text-decoration:none}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--border-2);border-radius:10px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:var(--faint)}

/* layout */
.app{display:grid;grid-template-columns:var(--sb) 1fr;height:100vh;overflow:hidden}
.sidebar{background:var(--surface);border-right:1px solid var(--border);display:flex;
  flex-direction:column;padding:16px 12px;gap:4px;min-width:0}
.main{overflow-y:auto;height:100vh;position:relative}
.topbar{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 78%,transparent);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border);
  padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.content{padding:24px 28px 56px;max-width:1320px;margin:0 auto}

/* brand + nav */
.brand{display:flex;align-items:center;gap:11px;padding:6px 8px 14px}
.brand-logo{width:34px;height:34px;border-radius:10px;background:var(--grad);display:grid;
  place-items:center;color:#fff;font-weight:800;font-size:17px;box-shadow:0 6px 16px var(--accent-ring)}
.brand-name{font-weight:800;font-size:16px}
.brand-name b{color:var(--accent)}
.nav-label{font-size:10.5px;letter-spacing:.13em;color:var(--faint);font-weight:700;
  text-transform:uppercase;margin:14px 10px 4px}
.nav-item{display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:11px;
  color:var(--muted);font-weight:560;cursor:pointer;transition:all .14s;user-select:none}
.nav-item svg{width:18px;height:18px;flex:none;opacity:.85}
.nav-item:hover{background:var(--surface-3);color:var(--text)}
.nav-item.active{background:var(--accent-soft);color:var(--accent)}
.nav-item.active svg{opacity:1}
.sidebar-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding:10px 8px 2px;border-top:1px solid var(--border);color:var(--faint);font-size:12px}

/* headings */
.page-title{font-size:22px;font-weight:800;margin:0}
.page-sub{color:var(--muted);font-size:13.5px;margin-top:3px}
.sec-title{font-size:15px;font-weight:700;margin:0 0 2px}
.sec-sub{color:var(--muted);font-size:12.5px;margin:0 0 12px}
.row{display:flex;gap:12px;align-items:center}
.spread{display:flex;align-items:center;justify-content:space-between;gap:12px}
.grid{display:grid;gap:16px}
.mt{margin-top:18px}.mb{margin-bottom:14px}

/* card */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:18px}
.card.pad-lg{padding:22px}
.card-hover{transition:transform .15s, box-shadow .15s, border-color .15s}
.card-hover:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--border-2)}

/* icons — never stretch */
svg.ic{flex:none;vertical-align:middle}

/* supplier cards */
.sup-card{display:flex;align-items:center;gap:16px;padding:15px 18px}
.sup-ico{width:46px;height:46px;border-radius:13px;background:var(--surface-3);color:var(--faint);
  display:grid;place-items:center;flex:none;transition:.15s}
.sup-ico.on{background:var(--accent-soft);color:var(--accent)}
.sup-ico svg{width:22px;height:22px}
.sup-file{font-weight:700;font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sup-meta{color:var(--muted);font-size:12.5px;margin-top:3px}
.sup-meta b{color:var(--text)}

/* hint banner */
.hint{display:flex;gap:12px;align-items:center;background:var(--accent-soft);
  border:1px solid transparent;border-radius:var(--radius);padding:14px 16px;
  color:var(--accent);font-size:13.5px}
.hint b{font-weight:700}
.hint svg{flex:none}

/* per-sheet config cards */
.sheet-cfg{padding:14px;margin-bottom:12px;background:var(--surface-2);border-radius:12px;border:1px solid var(--border)}
.mini-prev{overflow:auto;max-height:172px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}
.mini-prev table.tbl{font-size:11.5px}
.mini-prev td,.mini-prev th{padding:5px 8px;white-space:nowrap;border-bottom:1px solid var(--border)}
.mini-prev th{position:sticky;top:0;background:var(--surface-2)}
.mini-prev .tr-hdr td{background:var(--accent-soft);color:var(--accent);font-weight:700}
.mini-prev .th-on{color:var(--accent)}
.mini-prev .ptag{display:block;font-size:9px;font-weight:700;letter-spacing:.04em;
  padding:1px 5px;margin-top:2px;border-radius:5px;color:#fff;text-transform:uppercase}
.mini-prev .pt-sku{background:#3b82f6}
.mini-prev .pt-cost{background:#10b981}
.mini-prev .pt-name{background:#8b5cf6}
.t-block{margin-top:6px}
/* Каталог — вид «как Excel»: линии, чередование, плотные ячейки */
.cat-grid .tabulator-row .tabulator-cell{border-right:1px solid var(--border);padding:5px 8px}
.cat-grid .tabulator-row:nth-child(even){background:var(--surface-2)}
.cat-grid .tabulator-col{border-right:1px solid var(--border)}
.cat-grid .tabulator-row.row-gone{opacity:.5;text-decoration:line-through}
.cat-grid .tabulator-row.row-gone:hover{opacity:.8}
.cat-grid .tabulator-row.row-unsec{background:#fff3e2}
[data-theme=dark] .cat-grid .tabulator-row.row-unsec{background:#3a2f1a}
.cat-grid .lnk{color:var(--accent);cursor:pointer;font-size:12px}
.cat-grid .lnk:hover{text-decoration:underline}

/* KPI cards */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}
.kpi{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:18px 18px 16px;
  color:#fff;box-shadow:var(--shadow)}
.kpi .ico{position:absolute;right:14px;top:14px;opacity:.5}
.kpi .ico svg{width:22px;height:22px}
.kpi .l{font-size:11.5px;letter-spacing:.05em;font-weight:700;text-transform:uppercase;opacity:.92}
.kpi .v{font-size:28px;font-weight:800;margin-top:8px;line-height:1.05;font-variant-numeric:tabular-nums}
.kpi .s{font-size:12px;opacity:.9;margin-top:6px}
.g-blue{background:linear-gradient(135deg,#4f7cff,#3b5bdb)}
.g-violet{background:linear-gradient(135deg,#7c6cf0,#6741d9)}
.g-green{background:linear-gradient(135deg,#22b07d,#0f9d58)}
.g-amber{background:linear-gradient(135deg,#f6a609,#e8830c)}
.g-teal{background:linear-gradient(135deg,#1bb4c9,#0f8fa6)}
.g-pink{background:linear-gradient(135deg,#ed5aa6,#d6357f)}
.g-slate{background:linear-gradient(135deg,#67707f,#4b5563)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 15px;border-radius:11px;
  border:1px solid var(--border-2);background:var(--surface);color:var(--text);font-weight:600;
  font-size:13.5px;cursor:pointer;transition:all .14s;white-space:nowrap;font-family:inherit}
.btn svg{width:16px;height:16px}
.btn:hover{background:var(--surface-3);border-color:var(--faint)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--grad);border:none;color:#fff;box-shadow:0 6px 16px var(--accent-ring)}
.btn-primary:hover{filter:brightness(1.05);background:var(--grad)}
.btn-ghost{background:transparent;border-color:transparent}
.btn-ghost:hover{background:var(--surface-3)}
.btn-danger{color:var(--red);border-color:var(--red-soft)}
.btn-danger:hover{background:var(--red-soft)}
.btn-sm{height:32px;padding:0 11px;font-size:12.5px;border-radius:9px}
.btn-icon{width:38px;padding:0;justify-content:center}

/* badges & chips */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:20px;
  font-size:11.5px;font-weight:700;line-height:1.4}
.b-ok{background:var(--green-soft);color:var(--green)}
.b-warn{background:var(--amber-soft);color:var(--amber)}
.b-err{background:var(--red-soft);color:var(--red)}
.b-new{background:var(--accent-soft);color:var(--accent)}
.b-off{background:var(--grey-soft);color:var(--muted)}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block}

/* inputs */
.input,select.input{height:38px;width:100%;padding:0 12px;border-radius:10px;border:1px solid var(--border-2);
  background:var(--surface);color:var(--text);font-size:13.5px;font-family:inherit;transition:.14s}
.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring)}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;font-weight:600;color:var(--muted)}
textarea.input{height:auto;padding:10px 12px;resize:vertical;line-height:1.5;font-family:ui-monospace,monospace}

/* toggle switch */
.switch{position:relative;width:40px;height:23px;flex:none;cursor:pointer}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;inset:0;background:var(--border-2);border-radius:20px;transition:.2s}
.slider:before{content:"";position:absolute;width:17px;height:17px;left:3px;top:3px;background:#fff;
  border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.25)}
.switch input:checked + .slider{background:var(--accent)}
.switch input:checked + .slider:before{transform:translateX(17px)}

/* checkbox chips */
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}
.chk{display:flex;align-items:center;gap:9px;padding:9px 11px;border:1px solid var(--border-2);
  border-radius:10px;cursor:pointer;transition:.14s;font-size:13px}
.chk:hover{background:var(--surface-3)}
.chk.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.chk input{accent-color:var(--accent);width:15px;height:15px}

/* table (plain) */
table.tbl{width:100%;border-collapse:collapse;font-size:13px}
table.tbl th{text-align:left;color:var(--muted);font-weight:600;font-size:11.5px;
  text-transform:uppercase;letter-spacing:.04em;padding:8px 12px;border-bottom:1px solid var(--border)}
table.tbl td{padding:10px 12px;border-bottom:1px solid var(--border)}
table.tbl tr:last-child td{border-bottom:none}
table.tbl tr:hover td{background:var(--surface-2)}
.num{font-variant-numeric:tabular-nums;text-align:right}

/* toast */
.toasts{position:fixed;top:18px;right:18px;z-index:1000;display:flex;flex-direction:column;gap:10px}
.toast{min-width:260px;max-width:380px;background:var(--surface);border:1px solid var(--border);
  border-left:3px solid var(--accent);border-radius:12px;box-shadow:var(--shadow-lg);
  padding:13px 15px;display:flex;gap:10px;align-items:flex-start;animation:slidein .22s ease}
.toast.ok{border-left-color:var(--green)} .toast.err{border-left-color:var(--red)}
.toast.warn{border-left-color:var(--amber)}
.toast .tt{font-weight:700;font-size:13px} .toast .tm{color:var(--muted);font-size:12.5px;margin-top:2px}
@keyframes slidein{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

/* modal */
.overlay{position:fixed;inset:0;background:rgba(15,18,25,.45);backdrop-filter:blur(3px);
  z-index:900;display:grid;place-items:center;animation:fade .15s;padding:20px}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-lg);width:min(680px,94vw);max-height:88vh;overflow:auto;animation:pop .18s}
@keyframes pop{from{opacity:0;transform:scale(.97) translateY(8px)}to{opacity:1;transform:none}}
.modal-head{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;
  align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--surface)}
.modal-body{padding:20px 22px}

/* misc */
.muted{color:var(--muted)} .faint{color:var(--faint)}
.skeleton{background:linear-gradient(90deg,var(--surface-3) 25%,var(--surface-2) 37%,var(--surface-3) 63%);
  background-size:400% 100%;animation:shimmer 1.3s infinite;border-radius:8px}
@keyframes shimmer{to{background-position:-135% 0}}
.empty{text-align:center;padding:48px 20px;color:var(--muted)}
.empty svg{width:40px;height:40px;opacity:.4;margin-bottom:10px}
.chart{width:100%;height:260px}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.grow{flex:1 1 auto}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:20px;
  background:var(--surface-3);font-size:12.5px;font-weight:600;color:var(--muted)}
.warn-ico{color:var(--amber);cursor:help}
hr.sep{border:none;border-top:1px solid var(--border);margin:18px 0}
.search{position:relative}
.search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--faint)}
.search input{padding-left:34px}

/* Tabulator theming */
.tabulator{background:transparent;border:none;font-size:13px}
.tabulator .tabulator-header{background:var(--surface-2);border-bottom:1px solid var(--border);
  color:var(--muted);font-weight:600}
.tabulator .tabulator-header .tabulator-col{background:transparent;border-right:none;
  font-size:11.5px;text-transform:uppercase;letter-spacing:.03em}
.tabulator .tabulator-row{background:var(--surface);border-bottom:1px solid var(--border)}
.tabulator .tabulator-row.tabulator-row-even{background:var(--surface)}
.tabulator .tabulator-row:hover{background:var(--surface-2)}
.tabulator .tabulator-cell{border-right:none;padding:9px 12px;color:var(--text)}
.tabulator .tabulator-row .tabulator-cell.editable{background:var(--accent-soft);border-radius:6px}
.tabulator-edit-list{background:var(--surface);color:var(--text)}
.tabulator .tabulator-footer{background:transparent;border-top:1px solid var(--border);color:var(--muted)}
.tabulator-row .tabulator-cell.tabulator-editing{border:1px solid var(--accent)!important}
.tabulator .tabulator-col-resize-handle{display:none}
/* «новые» товары — бледнее, чтобы зрительно отделить от тех что в прайсе */
.tabulator .tabulator-row.row-new{opacity:.62;font-style:italic}
.tabulator .tabulator-row.row-new:hover{opacity:.88}
.tabulator .tabulator-cell{font-variant-numeric:tabular-nums}   /* цифры не «гуляют» */
.tabulator .tabulator-placeholder .tabulator-placeholder-contents{
  color:var(--muted);font-size:14px;font-weight:600}

/* ============ A11Y + полировка (ui-ux-pro-max) ============ */
/* видимый фокус с клавиатуры (не мешает мыши) */
.btn:focus-visible,.nav-item:focus-visible,.chk:focus-visible,.cat:focus-visible,
.chip:focus-visible,.switch input:focus-visible + .slider,select:focus-visible,
a.lnk:focus-visible,[role="button"]:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:10px}
.input:focus-visible{outline:none}   /* у инпутов своя подсветка (box-shadow) */
/* увереннее hover на кнопках */
.btn:active{transform:translateY(1px)}
.btn-primary:focus-visible{outline-color:var(--accent-2)}
/* группировка навигации */
.nav-group+.nav-group{margin-top:6px}
/* уважение к prefers-reduced-motion */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  .card-hover:hover,.btn:active{transform:none}
}
/* комфортные тач-цели на мобиле */
@media (max-width:680px){
  .btn{height:42px}.chk{padding:11px}.nav-item{padding:11px}
}