/* zivert.com — стили. Светлая и тёмная темы по prefers-color-scheme. */
:root{
  --bg:#f5f7f6;--surface:#fff;--surface2:#eef2f0;--text:#13201b;--muted:#5a6b64;--line:#dfe6e2;
  --brand:#0b7a57;--brand-hover:#096648;--brand-ink:#fff;--brand-soft:#e1f3ec;
  --danger:#c62828;--danger-soft:#fdeaea;--ok:#1b7f3b;--warn:#a05a00;--warn-soft:#fff3e0;
  --shadow:0 1px 2px rgba(16,32,27,.06),0 6px 20px rgba(16,32,27,.06);
  --radius:14px;--radius-sm:9px;
  --pcb:#0f6b4d;--pcb-trace:#d8b45a;color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0d1311;--surface:#151d1a;--surface2:#1c2623;--text:#e6efeb;--muted:#9bada5;--line:#26332f;
  --brand:#2fbf8c;--brand-hover:#4bd3a1;--brand-ink:#04150f;--brand-soft:#15302a;
  --danger:#ff6b6b;--danger-soft:#3a1c1c;--ok:#4fd37a;--warn:#ffb454;--warn-soft:#33260f;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
  --pcb:#0b4a37;--pcb-trace:#c9a24a;color-scheme:dark;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
img,svg{max-width:100%}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(1.6rem,4.5vw,2.4rem)}
h2{font-size:clamp(1.3rem,3.2vw,1.8rem)}
h3{font-size:1.1rem}
p{margin:0 0 1em}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 16px}
.narrow{max-width:520px}
.page{padding:24px 0 48px}
.page-title{margin:8px 0 18px}
.muted,.hint{color:var(--muted);font-size:.9rem}
.hide{display:none!important}
.err{color:var(--danger);font-size:.92rem}
.ok{color:var(--ok);font-size:.92rem}
.err:empty,.ok:empty,.hint:empty{display:none}
.nowrap{white-space:nowrap}

/* шапка */
.site{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site .wrap{display:flex;align-items:center;gap:8px 16px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:1.1rem;color:var(--text);margin-right:auto}
.brand:hover{text-decoration:none}
.logo-mark{width:26px;height:26px;border-radius:7px;background:var(--pcb);position:relative;display:inline-block;box-shadow:inset 0 0 0 2px var(--pcb-trace)}
.logo-mark::before{content:"";position:absolute;left:5px;top:12px;width:16px;height:2px;background:var(--pcb-trace)}
.logo-mark::after{content:"";position:absolute;left:12px;top:5px;width:2px;height:16px;background:var(--pcb-trace)}
.nav{display:flex;gap:4px;flex-wrap:wrap;align-items:center}
.nav a{padding:7px 12px;border-radius:999px;color:var(--text);font-size:.95rem}
.nav a:hover{background:var(--surface2);text-decoration:none}
.nav a.cur{background:var(--brand-soft);color:var(--brand)}
.hdr-right{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.who{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.9rem;color:var(--muted)}
@media (max-width:760px){.nav{order:3;width:100%;justify-content:flex-start}.who{display:none}}

/* кнопки и поля */
.btn,button{font:inherit;cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:42px;padding:8px 18px;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--surface);color:var(--text);font-weight:600;transition:background .15s,border-color .15s}
.btn:hover{background:var(--surface2);text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.btn-primary:hover{background:var(--brand-hover);border-color:var(--brand-hover)}
.btn-danger{color:var(--danger);border-color:var(--danger)}
.btn-ghost{border-color:transparent;background:transparent}
.btn-sm{min-height:34px;padding:4px 12px;font-size:.9rem}
.btn-lg{min-height:50px;padding:12px 26px;font-size:1.05rem}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible,.tabs button:focus-visible,.upload:focus-within{outline:3px solid color-mix(in srgb,var(--brand) 45%,transparent);outline-offset:1px}
.langsw{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.langsw button{border:0;background:transparent;color:var(--muted);padding:5px 10px;font-size:.82rem;font-weight:700}
.langsw button.on{background:var(--brand);color:var(--brand-ink)}
input,select,textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:9px 11px;width:100%;min-height:42px;max-width:100%}
textarea{resize:vertical;min-height:90px}
input[type=checkbox],input[type=radio]{width:auto;min-height:0;accent-color:var(--brand)}
input:disabled,select:disabled{opacity:.6}
label.f{display:flex;flex-direction:column;gap:5px;font-size:.88rem;color:var(--muted);font-weight:600;min-width:0}
label.f>*:not(span.lt){font-weight:400;color:var(--text)}
.fgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.stack>*+*{margin-top:12px}

/* карточки */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);min-width:0}
.card+.card{margin-top:16px}
.card h3{margin-bottom:14px}
.cgrid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.cgrid .card+.card{margin-top:0}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:700;background:var(--surface2);color:var(--muted);white-space:nowrap}
.badge[data-s=paid],.badge[data-s=answered]{background:var(--brand-soft);color:var(--brand)}
.badge[data-s=in_production],.badge[data-s=open],.badge[data-s=new]{background:var(--warn-soft);color:var(--warn)}
.badge[data-s=shipped],.badge[data-s=delivered]{background:var(--brand-soft);color:var(--ok)}
.badge[data-s=cancelled],.badge[data-s=closed]{background:var(--danger-soft);color:var(--danger)}

/* вкладки */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 18px;padding:4px;background:var(--surface2);border-radius:999px;width:fit-content;max-width:100%}
.tabs button{border:0;background:transparent;color:var(--muted);padding:8px 18px;border-radius:999px;font-weight:600}
.tabs button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}

/* главная */
.hero{padding:40px 0 20px}
.hero .wrap{display:grid;gap:32px;grid-template-columns:1.1fr .9fr;align-items:center}
.hero h1{font-size:clamp(1.9rem,5.5vw,3.1rem)}
.hero .lead{font-size:1.1rem;color:var(--muted);max-width:34em}
.hero-art{width:100%;height:auto;filter:drop-shadow(0 14px 30px rgba(0,0,0,.18))}
.pcb-body{fill:var(--pcb)}.pcb-tr{stroke:var(--pcb-trace);fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.pcb-pad{fill:var(--pcb-trace)}.pcb-hole{fill:var(--bg)}.pcb-chip{fill:#1b1f1e}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero-art{max-width:420px;margin:0 auto}}
.section{padding:36px 0}
.section h2{text-align:center;margin-bottom:24px}
.step .num{width:34px;height:34px;border-radius:50%;background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;font-weight:700;margin-bottom:10px}
.feat .ic{width:40px;height:40px;border-radius:11px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:800;margin-bottom:10px}
.cta{background:var(--brand);color:var(--brand-ink);border-radius:var(--radius);padding:32px 22px;text-align:center}
.cta h2{margin-bottom:8px}.cta .btn{background:var(--brand-ink);color:var(--brand);border-color:transparent}
details.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);padding:2px 16px;margin-bottom:10px}
details.faq summary{cursor:pointer;font-weight:600;padding:12px 0;list-style-position:outside}
details.faq p{color:var(--muted)}

/* калькулятор */
.calc{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;align-items:start}
.sumcard{position:sticky;top:78px}
.price{font-size:2rem;font-weight:800;letter-spacing:-.02em}
.sumline{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.sumline:last-of-type{border-bottom:0}
.sumbox label{display:flex;gap:8px;align-items:center;padding:6px 0}
@media (max-width:900px){.calc{grid-template-columns:minmax(0,1fr)}.sumcard{top:auto;bottom:8px;z-index:10}.sumcard .price{font-size:1.5rem}.sumcard.compact .detail{display:none}}
.flags{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.chk{display:flex;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;background:var(--surface);min-width:0}
.chk:has(input:checked){border-color:var(--brand);background:var(--brand-soft)}
.chk span{min-width:0;overflow-wrap:anywhere}
.upload{display:block;border:2px dashed var(--line);border-radius:var(--radius);padding:26px 16px;text-align:center;cursor:pointer;color:var(--muted);transition:border-color .15s,background .15s}
.upload:hover,.upload.drag{border-color:var(--brand);background:var(--brand-soft)}
.upload input{position:absolute;opacity:0;width:1px;height:1px}
.ginfo{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin-top:14px}
.ginfo div{background:var(--surface2);border-radius:var(--radius-sm);padding:8px 10px;font-size:.9rem;min-width:0;overflow-wrap:anywhere}
.ginfo b{display:block;font-size:.75rem;color:var(--muted);font-weight:600}
.warns{margin:10px 0 0;padding-left:18px;color:var(--warn);font-size:.9rem}
.prev{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:14px}
.prev figure{margin:0}.prev figcaption{font-size:.8rem;color:var(--muted);margin-bottom:4px}
.prev img{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff}
.spin{display:inline-block;width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:sp .7s linear infinite;vertical-align:-2px}
@keyframes sp{to{transform:rotate(360deg)}}
.addr{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:8px}
.addr:has(input:checked){border-color:var(--brand);background:var(--brand-soft)}
.addr .txt{flex:1;min-width:0;overflow-wrap:anywhere}

/* списки заказов и обращений (без таблиц — без горизонтального скролла) */
.list{display:flex;flex-direction:column;gap:10px}
.item{display:grid;grid-template-columns:auto 1fr auto;gap:4px 14px;align-items:center;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);cursor:pointer;text-align:left;width:100%;color:var(--text);font:inherit}
.item:hover,.item.on{border-color:var(--brand)}
.item .t{font-weight:700}.item .s{grid-column:1/-1;color:var(--muted);font-size:.88rem;overflow-wrap:anywhere}
.item .r{text-align:right;font-weight:700}
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:20px;align-items:start}
@media (max-width:900px){.split{grid-template-columns:minmax(0,1fr)}}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.toolbar select,.toolbar input{width:auto;flex:1 1 150px}
.kv{display:grid;grid-template-columns:minmax(110px,max-content) 1fr;gap:6px 14px;margin:0;font-size:.92rem}
.kv dt{color:var(--muted)}.kv dd{margin:0;overflow-wrap:anywhere}
.oitem{padding:12px;border:1px solid var(--line);border-radius:var(--radius-sm);margin:10px 0}
.oitem h4{margin:0 0 8px;display:flex;justify-content:space-between;gap:10px}
.stepper{display:flex;gap:4px;margin:14px 0;flex-wrap:wrap}
.stepper span{flex:1 1 90px;text-align:center;font-size:.78rem;padding:6px 4px;border-radius:999px;background:var(--surface2);color:var(--muted)}
.stepper span.done{background:var(--brand);color:var(--brand-ink);font-weight:700}
.tl{list-style:none;margin:8px 0 0;padding:0 0 0 14px;border-left:2px solid var(--line)}
.tl li{margin:0 0 8px;font-size:.9rem;overflow-wrap:anywhere}
.chat{display:flex;flex-direction:column;gap:8px;margin:12px 0}
.bub{max-width:88%;padding:9px 13px;border-radius:14px;background:var(--surface2);white-space:pre-wrap;overflow-wrap:anywhere;font-size:.95rem}
.bub.me{align-self:flex-end;background:var(--brand-soft)}
.bub small{display:block;color:var(--muted);font-size:.75rem;margin-bottom:2px}

/* админ: настройки */
fieldset.grp{border:1px solid var(--line);border-radius:var(--radius-sm);margin:0 0 12px;padding:12px}
fieldset.grp legend{padding:0 6px;font-weight:700;font-size:.9rem}
.sgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}
.sgrid>fieldset{grid-column:1/-1}

/* подвал */
.foot{border-top:1px solid var(--line);padding:22px 0;color:var(--muted);font-size:.9rem;margin-top:24px}
.foot .wrap{display:flex;gap:10px 20px;flex-wrap:wrap;justify-content:space-between}
.foot a{color:var(--muted)}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:10px 18px;border-radius:999px;z-index:50;max-width:90vw}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}