:root{--bg:#f5f7fb;--ink:#14213a;--muted:#657287;--line:#e1e7ef;--blue:#315cf5;--dark:#101a2c;--white:#fff;--green:#169b72;--warn:#b66b0b;--radius:18px;--shadow:0 12px 40px rgba(22,40,74,.055)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);font:15px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink)}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #8dadff;outline-offset:2px}.wrap{max-width:1220px;margin:0 auto;padding-left:24px;padding-right:24px}.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.nav{min-height:76px;display:flex;align-items:center;gap:27px}.logo{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.5px;font-size:20px;white-space:nowrap}.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;box-shadow:0 6px 15px #315cf530}.navlinks{display:flex;gap:22px;color:#4d5a72;font-weight:650}.navlinks a:hover,.mini-link:hover{color:var(--blue)}.navright{margin-left:auto;display:flex;align-items:center;gap:10px}.pill{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border-radius:100px;border:1px solid #dce4f1;color:#536480;background:#f8faff;font-size:12px;font-weight:700}.btn{display:inline-flex;justify-content:center;align-items:center;gap:10px;padding:11px 18px;min-height:43px;border-radius:11px;border:1px solid transparent;background:var(--blue);color:#fff;font-weight:750;transition:filter .2s;white-space:nowrap}.btn:hover{filter:brightness(.95)}.btn.light{background:#fff;border:1px solid var(--line);color:var(--ink)}.btn.ghost{background:#e9eeff;color:#244acc}.btn.danger{background:#fff0f0;border-color:#fad8d8;color:#ad2929}.btn.small{min-height:35px;padding:7px 12px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.hero{margin:28px auto 34px;background:var(--dark);border-radius:25px;color:#fff;min-height:310px;display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden}.hero-main{padding:55px 55px 48px}.eyebrow{display:inline-block;color:#8faeff;font-weight:850;font-size:12px;letter-spacing:1.6px;text-transform:uppercase}.hero h1{font-size:clamp(34px,4vw,54px);line-height:1.12;letter-spacing:-1.7px;margin:17px 0 15px}.hero p{font-size:16px;max-width:510px;color:#bbc7d8;margin:0 0 22px}.hero-visual{position:relative;background:radial-gradient(circle at 50% 50%,#3f68c44f 0,transparent 56%),linear-gradient(120deg,transparent 15%,#192946 100%);display:flex;align-items:center;justify-content:center}.blueprint{transform:perspective(550px) rotateY(-12deg) rotateX(8deg);width:min(75%,310px);aspect-ratio:1/1;border:2px solid #6b96f7;border-radius:25px;box-shadow:0 0 0 15px #447bf411,0 0 0 45px #447bf40a,inset 0 0 60px #4976c72c;display:grid;place-items:center;position:relative}.blueprint:before,.blueprint:after{content:"";position:absolute;border:2px solid #85aaff80;inset:15%;transform:rotate(30deg);border-radius:10px}.blueprint:after{transform:rotate(60deg);inset:26%}.blueprint span{font-weight:900;font-size:40px;color:#bcd1ff;letter-spacing:3px;z-index:1}.section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:30px 0 17px}.section-title h2{font-size:27px;margin:0;letter-spacing:-.55px}.section-title p{margin:3px 0 0;color:var(--muted)}.filters{display:flex;gap:10px;align-items:center;margin-bottom:22px;flex-wrap:wrap}.search{flex:1;min-width:210px;position:relative}.search input{width:100%;min-height:46px;border:1px solid var(--line);border-radius:11px;padding:10px 15px;background:#fff;color:var(--ink)}.select{min-width:185px;min-height:46px;padding:10px 13px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.product{background:#fff;border:1px solid #e9edf3;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}.picture{aspect-ratio:1.62/1;background:linear-gradient(140deg,#eff3ff,#dde8f9);display:grid;place-items:center;overflow:hidden;position:relative}.picture img{width:100%;height:100%;object-fit:cover}.geometry{width:95px;height:95px;border:3px solid #8caaf7;transform:rotate(-20deg) skewY(-8deg);border-radius:12px;position:relative;box-shadow:13px 10px 0 -4px #b8cafa}.geometry:before,.geometry:after{content:"";position:absolute;background:#a9c0fa;opacity:.8}.geometry:before{height:3px;top:45px;left:0;right:0}.geometry:after{width:3px;left:44px;top:0;bottom:0}.picture .tag{position:absolute;top:14px;left:14px;border-radius:9px;background:#ffffffea;padding:4px 9px;font-size:11px;font-weight:900;color:#51627e}.product-body{padding:18px 19px;display:flex;flex-direction:column;gap:9px;flex:1}.product h3{font-size:17px;line-height:1.3;margin:0;letter-spacing:-.25px}.product p{margin:0;color:var(--muted);font-size:13px;min-height:42px}.formats{display:flex;flex-wrap:wrap;gap:6px}.format{background:#eef2fb;border-radius:7px;padding:3px 7px;color:#526383;font-weight:800;font-size:10px}.product-bottom{margin-top:auto;padding-top:10px;display:flex;justify-content:space-between;align-items:center;gap:9px}.price{font-weight:850;font-size:20px;white-space:nowrap}.muted{color:var(--muted)}.empty{grid-column:1/-1;text-align:center;padding:65px 24px;background:#fff;border:1px dashed #ccd6e3;border-radius:16px}.empty h3{margin:0 0 6px}.empty p{color:var(--muted);margin:0 0 16px}.footer{margin-top:70px;padding:30px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.foot-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.notice{border:1px solid #f0d89e;background:#fffaeb;border-radius:12px;color:#755019;padding:12px 15px;font-size:13px;margin:16px 0}.info{border:1px solid #cbdafc;background:#edf3ff;border-radius:12px;color:#244382;padding:12px 15px;font-size:13px;margin:16px 0}.error{border:1px solid #facaca;background:#fff0f0;border-radius:12px;color:#992828;padding:12px 15px;font-size:13px;margin:16px 0}.success{border:1px solid #bee4d3;background:#eafff4;border-radius:12px;color:#176e4a;padding:12px 15px;font-size:13px;margin:16px 0}.paper{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;box-shadow:var(--shadow)}.pagehead{padding:33px 0 17px;display:flex;align-items:center;justify-content:space-between;gap:16px}.pagehead h1{font-size:30px;letter-spacing:-.8px;line-height:1.15;margin:5px 0}.pagehead p{margin:5px 0 0;color:var(--muted)}.dashboard{display:grid;grid-template-columns:235px minmax(0,1fr);gap:24px;padding-top:30px;align-items:start}.sidebar{position:sticky;top:100px}.sidebar .paper{padding:14px}.sidebar a{display:flex;gap:10px;align-items:center;padding:11px 13px;border-radius:9px;color:#5b6b83;font-weight:700;margin:3px 0}.sidebar a:hover,.sidebar a.active{background:#edf2ff;color:#315cf5}.statgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:15px 0 22px}.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.stat strong{display:block;font-size:27px;letter-spacing:-.8px}.stat span{font-size:12px;font-weight:700;color:var(--muted)}.rows{display:flex;flex-direction:column;gap:10px}.rowcard{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px}.rowcard .rowtext{min-width:0;flex:1}.rowcard .rowtext strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rowcard .rowtext small{display:block;color:var(--muted)}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:7px;min-width:0}.field label{font-weight:750;font-size:13px}.field input,.field textarea,.field select{border-radius:10px;border:1px solid #d6dfec;min-height:45px;padding:11px 12px;background:#fff;color:var(--ink);width:100%}.field textarea{min-height:130px;resize:vertical}.full{grid-column:1/-1}.checkrow{display:flex;align-items:center;gap:9px;font-weight:700;font-size:13px}.checkrow input{width:17px;height:17px}.authbox{max-width:440px;margin:70px auto}.authbox h1{font-size:30px;letter-spacing:-.7px;margin:0 0 8px}.authbox p{color:var(--muted)}.admin-actions{display:flex;flex-wrap:wrap;gap:8px}.prod-detail{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start;margin:28px 0}.prod-detail .picture{border-radius:19px;aspect-ratio:1.1}.prod-detail .paper{box-shadow:none}.detail-title{font-size:37px;line-height:1.15;letter-spacing:-1px;margin:13px 0}.file-item{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;padding:9px 11px;margin-bottom:8px;justify-content:space-between;font-size:13px}.file-item span{min-width:0;overflow-wrap:anywhere}.kbd{display:inline-block;padding:3px 8px;border-radius:6px;background:#eaf0fa;font-weight:850;font-size:11px}.loader{padding:65px;text-align:center;color:var(--muted)}@media(max-width:930px){.hero-main{padding:42px 36px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard{grid-template-columns:1fr}.sidebar{position:static}.sidebar .paper{display:flex;gap:7px;flex-wrap:wrap}.navlinks{gap:12px}}@media(max-width:650px){.wrap{padding-left:16px;padding-right:16px}.nav{min-height:65px;gap:8px}.logo{font-size:17px;gap:8px}.logo-mark{width:32px;height:32px;border-radius:10px}.navlinks{display:none}.navright .pill{display:none}.navright .btn{padding:8px 10px;min-height:36px;font-size:12px}.hero{margin-top:16px;grid-template-columns:1fr;min-height:0;border-radius:17px}.hero-main{padding:30px 23px}.hero h1{font-size:34px;letter-spacing:-1px}.hero p{font-size:14px}.hero-visual{display:none}.grid{grid-template-columns:1fr;gap:14px}.section-title h2{font-size:23px}.filters .select{width:100%}.filters .search{width:100%}.picture{aspect-ratio:1.8}.pagehead{align-items:start;flex-direction:column}.formgrid{grid-template-columns:1fr}.statgrid{grid-template-columns:1fr 1fr}.rowcard{align-items:flex-start;flex-wrap:wrap}.rowcard .rowtext{flex-basis:calc(100% - 25px)}.admin-actions{margin-left:25px;width:100%}.prod-detail{grid-template-columns:1fr;gap:15px}.detail-title{font-size:30px}.paper{padding:19px}.foot-inner{display:block}}
/* Дополнения для независимой версии */
.product-description{white-space:pre-line;overflow-wrap:anywhere;color:var(--muted);line-height:1.8}
.detail-price{margin:24px 0 14px;font-size:30px}
.actions-row{display:flex;gap:10px;flex-wrap:wrap}
.cart-line{display:flex;align-items:center;gap:15px;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--line)}
.cart-line>div{flex:1}.cart-total{text-align:right;font-size:20px;margin:24px 0}
.flash{position:fixed;z-index:100;bottom:22px;right:22px;max-width:min(390px,calc(100vw - 32px));background:#eef3ff;color:#233f78;padding:14px 18px;border:1px solid #b9ccf4;border-radius:13px;box-shadow:0 10px 30px #1114}
.flash.success{background:#eafff4;color:#176e4a}.flash.error{background:#fff0f0;color:#992828}
@media(max-width:650px){.cart-line{align-items:flex-start;flex-wrap:wrap}.cart-line .btn{flex-basis:100%}.hero-main .btn{white-space:normal}}


/* ========================================================================
   CADSTEEL · фирменная тема в визуальном стиле СИБКОНСТРАКТ
   Базовая палитра и подход воспроизведены по исходному CSS sibconstract-site.
   Это визуальный слой: логика магазина и настройки Supabase не меняются.
   ======================================================================== */
:root {
  color-scheme: dark;
  --bg:#0b121c;
  --ink:#f5f8fb;
  --muted:#9aaabd;
  --line:#2a3949;
  --blue:#ffb64c;
  --dark:#101e2d;
  --white:#f5f8fb;
  --green:#64d4a3;
  --warn:#ffcf78;
  --panel:#131e2b;
  --panel-raised:#172638;
  --field:#0c1724;
  --radius:15px;
  --shadow:0 12px 34px rgba(0,0,0,.2);
}
html { background:var(--bg);scroll-padding-top:100px }
body { background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Arial,sans-serif;overflow-x:clip }
h1,h2,h3 {letter-spacing:-.035em}
h1,h2,h3,p,a,span,strong,label {overflow-wrap:anywhere}
img,svg,video {max-width:100%}
a:hover {color:var(--blue)}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible {outline:2px solid var(--blue);outline-offset:3px}
.wrap {max-width:1160px;padding-left:24px;padding-right:24px}

/* Верхнее меню */
.topbar {background:rgba(11,18,28,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.nav {min-height:76px;gap:24px}
.logo {color:var(--ink);font-size:21px;letter-spacing:.045em;gap:10px;overflow-wrap:normal}
.logo:hover {color:var(--ink)}
.logo-mark {background:#392b18;border:1px solid #6d512c;border-radius:9px;width:39px;height:39px;color:var(--blue);box-shadow:none;font-weight:900}
.navlinks {color:#dce7f2;gap:24px;font-size:14px}
.navlinks a:hover,.mini-link:hover {color:var(--blue)}
.pill {background:#172638;border:1px solid #455a70;color:#c8d6e5;border-radius:9px}
.btn {background:var(--blue);color:#15202c;border-radius:9px;padding:11px 19px;font-weight:800;min-height:44px;transition:background .2s,transform .2s,border-color .2s,box-shadow .2s}
.btn:hover {background:#ffc875;color:#15202c;filter:none;transform:translateY(-2px);box-shadow:0 8px 22px #0003}
.btn.light {background:transparent;color:#f5f8fb;border-color:#637387}
.btn.light:hover {background:#263a4c;color:#fff;border-color:var(--blue)}
.btn.ghost {background:#263c52;color:#f5f8fb;border:1px solid #516c85}
.btn.ghost:hover {background:#334b65;color:#fff;border-color:var(--blue)}
.btn.danger {background:#3e2229;border-color:#85505b;color:#ffe4e4}
.btn.danger:hover {background:#512a34;color:#fff0f0}
.btn:disabled,.btn:disabled:hover {opacity:.55;transform:none;box-shadow:none;cursor:not-allowed}

/* Главный баннер · та же индустриальная атмосфера, что в СИБКОНСТРАКТ */
.hero {margin:26px auto 52px;min-height:420px;grid-template-columns:1.09fr .91fr;background:radial-gradient(circle at 82% 37%,#273d54 0%,transparent 45%),linear-gradient(135deg,#101e2d,#0b121c 78%);border:1px solid #3a4e61;border-radius:20px;box-shadow:0 25px 70px #0004}
.hero-main {padding:66px 20px 66px 48px;align-self:center}
.eyebrow {color:var(--blue);font-weight:800;letter-spacing:.14em;font-size:12px}
.hero h1 {max-width:720px;font-size:clamp(40px,4.45vw,62px);line-height:1.09;letter-spacing:-.045em;margin:18px 0 25px}
.hero h1 em {font-style:normal;color:var(--blue)}
.hero p {color:#bac7d5;font-size:17px;max-width:570px;margin:0 0 30px}
.hero-visual {background:radial-gradient(circle at 55% 50%,#34485e90,transparent 64%);padding:38px;overflow:hidden}
.blueprint {width:min(86%,335px);transform:perspective(550px) rotateY(-12deg) rotateX(8deg);border:1px solid #667f99;border-radius:20px;background:linear-gradient(145deg,#1e3449,#101b29);box-shadow:0 30px 65px #0008,inset 0 0 32px #203b56}
.blueprint:before,.blueprint:after {border-color:#f3bb72a6;border-width:1px}
.blueprint span {color:var(--blue);text-shadow:0 5px 18px #0007;font-size:clamp(42px,4vw,60px);letter-spacing:.07em}

/* Каталог и карточки */
.section-title {margin:42px 0 23px}
.section-title h2 {font-size:clamp(30px,3.7vw,43px);letter-spacing:-.035em}
.section-title p,.pagehead p,.muted,.rowcard .rowtext small,.product p {color:var(--muted)}
.filters {gap:12px;margin-bottom:26px}
.search input,.select,.field input,.field textarea,.field select {background:var(--field);border:1px solid #46566a;color:var(--ink);border-radius:9px;min-height:48px}
.search input::placeholder,.field input::placeholder,.field textarea::placeholder {color:#8f9faf}
.search input:focus,.select:focus,.field input:focus,.field textarea:focus,.field select:focus {border-color:var(--blue)}
.select option,.field select option {background:#0e1a27;color:#f5f8fb}
.grid {gap:20px}
.product {background:var(--panel);border:1px solid var(--line);border-radius:15px;box-shadow:none;transition:transform .2s,border-color .2s,box-shadow .2s}
.product:hover {transform:translateY(-3px);border-color:#8e7046;box-shadow:0 16px 40px #0003}
.picture {background:radial-gradient(circle at 70% 25%,#354a5b,transparent 56%),linear-gradient(145deg,#21354a,#142231);border-bottom:1px solid #364b5d}
.geometry {border-color:#f8c06c;box-shadow:13px 10px 0 -4px #665133}
.geometry:before,.geometry:after {background:#ffca79}
.picture .tag {background:#172638eb;color:#ffbd64;border:1px solid #635039;text-transform:uppercase;letter-spacing:.045em;border-radius:7px}
.product-body {padding:20px 21px 22px;gap:12px}
.product h3 {font-size:19px;color:#f5f8fb}
.product h3 a:hover {color:var(--blue)}
.product p {line-height:1.6}
.format {background:#263646;border:1px solid #43566a;color:#cbd6e2;border-radius:6px;padding:3px 8px}
.product-bottom {border-top:1px solid var(--line);padding-top:15px}
.price {color:var(--blue);font-size:23px}

/* Внутренние страницы, администрирование, формы */
.paper,.stat,.rowcard,.empty {background:var(--panel);border:1px solid var(--line);box-shadow:none;border-radius:15px}
.paper {padding:28px}
.empty {border-style:dashed;border-color:#45586c}
.empty p {color:var(--muted)}
.pagehead {padding:37px 0 20px}
.pagehead h1 {font-size:clamp(30px,3.8vw,44px);letter-spacing:-.035em}
.kbd {background:#2b3e50;border:1px solid #53687b;color:#e5edf6}
.dashboard {grid-template-columns:225px minmax(0,1fr)}
.sidebar .paper {padding:14px}
.sidebar a {color:#c0cfde;border-radius:9px}
.sidebar a:hover,.sidebar a.active {background:#332c24;color:var(--blue)}
.stat {padding:22px}
.stat strong {font-size:28px;color:#f5f8fb}
.stat span {color:var(--muted)}
.rowcard {padding:15px}
.rowcard .rowtext strong {color:#f5f8fb}
.file-item {border-color:#425165;color:#dde7ef;background:#101a26}
.authbox {margin:80px auto}
.authbox h1 {font-size:clamp(29px,4vw,39px)}
.authbox p {color:var(--muted)}
.field label {color:#d6e0eb}
.checkrow {color:#d6e0eb}
.checkrow input {accent-color:var(--blue)}
.notice {border:1px solid #8e7046;background:#342a1f;color:#ffe1ab;border-left:3px solid var(--blue);border-radius:0 10px 10px 0;padding:15px 17px}
.info {border:1px solid #526a83;background:#182b3d;color:#d3e6fa}
.error,.flash.error {border:1px solid #874d58;background:#36222a;color:#ffe0e0}
.success,.flash.success {border:1px solid #387862;background:#1b3a33;color:#ccffe8}
.flash {background:#1b3145;border:1px solid #55718b;color:#e4effa;box-shadow:0 15px 45px #0008}
.product-description {color:#c2ced9}
.prod-detail .picture {border:1px solid #43576a}
.prod-detail .paper {background:var(--panel)}
.cart-line {border-color:var(--line)}
.cart-total {color:var(--ink)}
.footer {border-top:1px solid var(--line);color:var(--muted);margin-top:78px;background:#0a111a}
.footer a {color:var(--blue)}
.loader {color:#a7b5c7}

/* Доступность и адаптивность */
@media(max-width:1050px) {
  .nav {gap:16px}
  .navlinks {gap:14px}
  .hero-main {padding:52px 10px 52px 38px}
  .hero h1 {font-size:clamp(37px,4.7vw,55px)}
}
@media(max-width:930px) {
  .dashboard {grid-template-columns:1fr}
  .sidebar {position:static}
  .hero-main {padding:48px 30px}
  .hero-visual {padding:20px}
  .navright .pill {display:none}
}
@media(max-width:700px) {
  .wrap {padding-left:18px;padding-right:18px}
  .nav {min-height:70px;gap:10px}
  .logo {font-size:19px;letter-spacing:0}
  .logo-mark {width:35px;height:35px}
  .navlinks {display:none}
  .navright {gap:7px}
  .navright .btn {padding:8px 11px;font-size:12px;min-height:38px}
  .hero {margin-top:18px;margin-bottom:40px;grid-template-columns:1fr;min-height:0;border-radius:16px}
  .hero-main {padding:38px 28px 40px}
  .hero h1 {font-size:clamp(36px,9vw,48px)}
  .hero p {font-size:15px}
  .hero-visual {display:none}
  .grid {grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
  .product-body {padding:16px 15px}
  .product h3 {font-size:17px}
  .product-bottom {flex-wrap:wrap}
  .pagehead {align-items:flex-start;flex-direction:column}
  .formgrid {grid-template-columns:1fr}
  .paper {padding:20px}
  .filters .search,.filters .select {width:100%}
  .statgrid {grid-template-columns:1fr 1fr}
  .rowcard {align-items:flex-start;flex-wrap:wrap}
  .rowcard .rowtext {flex-basis:calc(100% - 25px)}
  .admin-actions {margin-left:0;width:100%}
  .foot-inner {display:block}
}
@media(max-width:520px) {
  .wrap {padding-left:16px;padding-right:16px}
  .logo {font-size:17px}
  .navright .btn {padding:7px 9px;font-size:11px;min-height:36px}
  .hero-main {padding:32px 22px 35px}
  .hero h1 {font-size:clamp(32px,8.7vw,40px)}
  .grid {grid-template-columns:1fr}
  .picture {aspect-ratio:1.75/1}
  .statgrid {grid-template-columns:1fr 1fr}
  .stat {padding:16px}
  .stat strong {font-size:23px}
  .section-title h2 {font-size:30px}
  .authbox {margin:42px auto}
}
@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after {scroll-behavior:auto!important;transition:none!important;animation:none!important}
}