:root{
  --bg:#061316;
  --bg2:#0b1b1f;
  --panel:#102329;
  --panel2:#132a31;
  --panel3:#0f2025;
  --line:#244047;
  --line2:#31525b;
  --text:#f4f7f8;
  --muted:#9caeb4;
  --green:#15a268;
  --green2:#0f8555;
  --green-soft:#173b31;
  --blue:#4d8dff;
  --gold:#dcae37;
  --purple:#7358d4;
  --danger:#d85d5d;
  --white:#fff;
  --shadow:0 20px 50px rgba(0,0,0,.28);
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
input,select,textarea{width:100%;border:1px solid #38545b;border-radius:9px;padding:10px 11px;background:#12272d;color:#eef5f7;outline:none}
input::placeholder,textarea::placeholder{color:#6f858c}
input:focus,select:focus,textarea:focus{border-color:#1aad70;box-shadow:0 0 0 3px rgba(26,173,112,.12)}
select option{background:#102329}
label{display:grid;gap:6px;margin-bottom:11px;font-size:12px;font-weight:750;color:#b8c6ca}
.muted{color:var(--muted);font-size:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid #38545b;border-radius:9px;padding:9px 13px;min-height:38px;background:#142a30;color:#f4f7f8;font-weight:750;transition:.16s ease}
.btn:hover{transform:translateY(-1px);border-color:#4a6972;background:#19333a}
.btn.primary{background:linear-gradient(180deg,var(--green),var(--green2));border-color:#1aa86d;color:#fff}
.btn.primary:hover{background:linear-gradient(180deg,#1bb375,#10855a)}
.btn.ghost{background:#122329}
.btn.danger{color:#ffd8d8;border-color:#704040;background:#351d20}
.btn.small{min-height:31px;padding:5px 9px;font-size:11px}
.btn.wide{width:100%}
.inline-form{display:inline}

/* Dashboard shell */
.app-shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh;background:
radial-gradient(circle at 70% -10%,rgba(0,141,98,.12),transparent 32%),
linear-gradient(180deg,#081619 0%,#071316 100%)}
.sidebar{height:100vh;position:sticky;top:0;background:linear-gradient(180deg,#0a181c,#081518);border-right:1px solid #1c343a;padding:18px 12px;display:flex;flex-direction:column}
.logo-block{display:flex;align-items:center;gap:9px;padding:0 9px 18px}
.logo-mark{width:34px;height:34px;border-radius:8px;background:#f8fbfc;color:#0b1719;display:grid;place-items:center;font-weight:950;font-size:13px;letter-spacing:-.5px}
.logo-text strong{display:block;font-size:14px;letter-spacing:-.2px;color:#fff}.logo-text small{display:block;color:#b7c4c8;font-size:7px;letter-spacing:.14em;font-weight:800;margin-top:2px}
.nav{display:grid;gap:5px}
.nav a{display:flex;align-items:center;gap:10px;padding:10px 11px;border-radius:7px;color:#d1dade;font-size:12px;font-weight:650}
.nav a:hover{background:#10282e;color:#fff}
.nav a.active{background:linear-gradient(90deg,#0d7f52,#0b5f40);color:#fff;box-shadow:inset 3px 0 0 #23c47f}
.nav-icon{width:18px;text-align:center;opacity:.95}
.sidebar-promo{margin-top:auto;border:1px solid #1f3b42;border-radius:11px;overflow:hidden;background:linear-gradient(145deg,#10382d,#081719);min-height:170px;position:relative;padding:16px}
.sidebar-promo:after{content:"";position:absolute;right:-25px;bottom:-28px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(39,159,111,.28),transparent 65%)}
.sidebar-promo strong{font-size:15px;display:block}.sidebar-promo span{display:block;color:#c2d0d4;font-size:12px;line-height:1.5;margin-top:10px;max-width:150px}
.sidebar-footer{border-top:1px solid #1c343a;margin-top:14px;padding-top:12px}
.user-card{display:flex;align-items:center;gap:9px;padding:6px}.avatar{width:33px;height:33px;border-radius:50%;display:grid;place-items:center;background:#0f754e;color:#fff;font-weight:900}.user-card strong{display:block;font-size:11px}.user-card small{font-size:10px;color:#80939a}
.main{min-width:0}
.topbar{height:58px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #1f3439;padding:0 22px;background:rgba(8,21,24,.92);backdrop-filter:blur(10px);position:sticky;top:0;z-index:30}
.searchbox{width:min(380px,48vw);position:relative}.searchbox input{height:34px;background:#152930;border-color:#264149;padding-left:34px;font-size:11px}.searchbox:before{content:"⌕";position:absolute;left:11px;top:5px;font-size:18px;color:#8ba0a7}
.top-actions{display:flex;align-items:center;gap:10px}
.content{padding:22px;max-width:1500px;margin:0 auto}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:15px;margin-bottom:14px}
.page-head h1{margin:0 0 4px;font-size:24px;letter-spacing:-.7px}.page-head p{margin:0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
.stat{display:flex;align-items:center;gap:11px;background:linear-gradient(180deg,#13262c,#102227);border:1px solid #203b42;border-radius:9px;padding:13px;box-shadow:0 6px 16px rgba(0,0,0,.12)}
.stat-icon{width:38px;height:38px;border-radius:8px;display:grid;place-items:center;font-size:17px;background:linear-gradient(180deg,#0f8e5d,#0b6243)}
.stat:nth-child(2) .stat-icon{background:linear-gradient(180deg,#d29a2d,#856318)}
.stat:nth-child(3) .stat-icon{background:linear-gradient(180deg,#2c8bc1,#225b85)}
.stat:nth-child(4) .stat-icon{background:linear-gradient(180deg,#6c58c5,#45378a)}
.stat span{display:block;color:#a8b8bd;font-size:10px}.stat strong{display:block;color:#fff;font-size:22px;margin-top:2px}
.section-head{display:flex;justify-content:space-between;align-items:center;margin:14px 0 10px}.section-head h2{margin:0;font-size:16px}.section-head a{color:#43a8ff;font-size:11px;font-weight:800}
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.product-card{background:linear-gradient(180deg,#13272d,#102126);border:1px solid #234047;border-radius:9px;padding:9px;min-width:0}
.product-card .thumb{height:90px;background:#f3f4f5;border-radius:5px;margin-bottom:9px;display:grid;place-items:center;overflow:hidden}
.product-card .thumb img{width:100%;height:100%;object-fit:contain}
.product-card h3{font-size:12px;margin:0 0 4px}.product-card p{font-size:10px;color:#aab8bc;margin:2px 0}.product-card .meta{display:flex;align-items:center;justify-content:space-between;margin-top:8px}
.badge{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:9px;font-weight:900}
.badge.final{background:#b9f5d5;color:#12633f}.badge.draft{background:#8db3ff;color:#083e9d}.badge.archived{background:#7a8290;color:#fff}
.badge.review{background:#f4d67e;color:#705100}
.filters{display:grid;grid-template-columns:minmax(220px,1fr) 150px auto auto;gap:8px;margin:10px 0;background:#10242a;border:1px solid #244048;padding:10px;border-radius:9px}
.table-card{background:#102329;border:1px solid #233e45;border-radius:9px;overflow:auto}
.data-table{width:100%;border-collapse:collapse;min-width:900px}.data-table th,.data-table td{padding:11px 13px;border-bottom:1px solid #1e363d;text-align:left;font-size:11px}.data-table th{background:#12272d;color:#83979e;font-size:9px;text-transform:uppercase;letter-spacing:.05em}.data-table tbody tr:hover{background:#132b31}.link,.link-btn{color:#59b4ff;font-weight:800;margin-right:10px;font-size:10px}.link-btn{border:0;background:none;padding:0}.empty{text-align:center!important;color:#87999f;padding:32px!important}

/* Login */
.auth-bg{min-height:100vh;background:#eef1f1;display:grid;place-items:center;padding:28px}
.auth-wrap{width:min(940px,94vw);min-height:520px;display:grid;grid-template-columns:1.1fr .9fr;background:#0b3b2c;border-radius:4px;overflow:hidden;box-shadow:0 20px 55px rgba(0,0,0,.2)}
.auth-visual{position:relative;padding:38px;color:#fff;background:
linear-gradient(160deg,rgba(2,56,40,.96),rgba(5,73,51,.92)),
radial-gradient(circle at 70% 70%,rgba(255,255,255,.08),transparent 35%)}
.auth-visual:after{content:"";position:absolute;inset:0;background:
linear-gradient(145deg,transparent 55%,rgba(255,255,255,.03) 55% 60%,transparent 60%),
linear-gradient(25deg,transparent 68%,rgba(0,0,0,.12) 68%);pointer-events:none}
.auth-brand{font-weight:950;font-size:21px;position:relative;z-index:1}.auth-brand small{display:block;font-size:7px;letter-spacing:.16em;margin-top:2px}
.auth-visual h2{position:relative;z-index:1;font-size:31px;line-height:1.05;margin:55px 0 10px;max-width:320px}.auth-visual p{position:relative;z-index:1;color:#e0ece6;font-size:13px}.auth-points{position:relative;z-index:1;display:grid;gap:10px;margin-top:25px}.auth-points div{display:flex;align-items:center;gap:9px;font-size:12px}.check{width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:#1aaa70;font-size:11px}
.auth-side{background:linear-gradient(180deg,#f7f8f8,#eef0f0);display:grid;place-items:center;padding:28px}
.auth-card{width:min(360px,100%);background:#fff;border:1px solid #d8dedc;border-radius:5px;padding:28px;color:#24313a;box-shadow:0 12px 24px rgba(0,0,0,.12)}
.auth-card .brand-mark{display:none}.auth-card h1{text-align:center;font-size:20px;margin:0 0 4px}.auth-card>.muted{text-align:center;display:block;margin-bottom:18px}.auth-card label{color:#38464f;font-size:11px}.auth-card input{background:#fff;color:#27333a;border-color:#d9dfdf}.auth-card input::placeholder{color:#a0aaad}
.auth-card .btn.primary{background:linear-gradient(180deg,#158a58,#0b6741)}
.auth-footer-brand{text-align:center;margin-top:20px;color:#0b6843;font-weight:950;font-size:18px}.auth-footer-brand small{display:block;font-size:8px;letter-spacing:.09em;color:#637269}
.alert,.success{padding:9px 11px;border-radius:6px;margin:10px 0;font-size:11px}.alert{background:#fff0ef;color:#9b1c1c}.success{background:#e8f7ed;color:#176b3a}

/* Editor */
.editor-shell{min-height:100vh;background:#071316;color:#fff}
.editor-topbar{height:58px;background:#0c1d21;border-bottom:1px solid #213a40;display:flex;justify-content:space-between;align-items:center;padding:0 16px;position:sticky;top:0;z-index:40}
.editor-topbar-left,.editor-topbar-right{display:flex;align-items:center;gap:9px}
.editor-layout{display:grid;grid-template-columns:170px 420px minmax(720px,1fr);min-height:calc(100vh - 58px)}
.step-nav{background:#0b1a1e;border-right:1px solid #1e373e;padding:15px 10px;position:sticky;top:58px;height:calc(100vh - 58px)}
.step-nav h4{font-size:9px;color:#809298;text-transform:uppercase;letter-spacing:.12em;margin:0 8px 10px}
.step-nav a{display:flex;align-items:center;gap:8px;padding:9px;border-radius:7px;color:#adbec3;font-size:11px;font-weight:700;margin-bottom:4px}.step-nav a:hover,.step-nav a.active{background:#10342b;color:#fff}
.edit-panel{background:#0f2025;border-right:1px solid #254249;padding:16px;height:calc(100vh - 58px);overflow:auto;position:sticky;top:58px}
.section-card{border:1px solid #29474f;border-radius:8px;background:#11252b;padding:12px;margin-bottom:11px}.section-card h3{font-size:12px;margin:0 0 10px}.section-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.section-row h3{margin:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}.sheet-id-box{background:#0d332a;border:1px solid #1b5744;border-radius:8px;padding:10px;margin-bottom:11px}.sheet-id-box span{display:block;color:#8fc3ac;font-size:9px;text-transform:uppercase}.sheet-id-box strong{font-size:13px}
.spec-edit-row{display:grid;grid-template-columns:96px 1fr 32px;gap:5px;margin-bottom:6px}.scroll-x{overflow:auto}.edit-tech{border-collapse:collapse;min-width:980px}.edit-tech td,.edit-tech th{border:1px solid #29474f;padding:3px}.edit-tech input{min-width:62px;border:0;border-radius:4px;background:#163038;padding:6px}.sticky-actions{display:grid;gap:7px;padding-top:10px}
.preview-panel{padding:18px;overflow:auto;background:#dfe3e5}.preview-label{text-align:center;color:#68737b;font-size:9px;font-weight:900;letter-spacing:.12em;margin-bottom:8px}

/* Datasheet page */
.datasheet-page{--accent:#f5b91f;--secondary:#e5252a;width:794px;min-height:1123px;background:#fff;margin:auto;box-shadow:0 20px 50px rgba(0,0,0,.25);padding:24px;color:#2a2a2a;display:flex;flex-direction:column}
.sheet-top{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:center}.top-line{height:5px;background:var(--secondary)}.logo-wrap{width:72px;height:50px;display:grid;place-items:center}.logo-wrap img{display:none;max-width:72px;max-height:48px}.logo-wrap img.show{display:block}.logo-placeholder{font-size:27px;font-weight:950;color:var(--secondary)}
.hero{display:grid;grid-template-columns:1fr 1.25fr;gap:28px;align-items:center;margin:25px 42px 17px}.brand-badge{display:inline-flex;gap:8px;align-items:center;background:var(--accent);padding:8px 12px;border-radius:8px;font-weight:900}.mini-logo{background:#fff;color:var(--secondary);padding:3px 5px;border-radius:4px}.hero h2{font-size:21px}.product-image-box{height:135px;display:grid;place-items:center}.product-image-box img{display:none;max-width:100%;max-height:135px;object-fit:contain}.product-image-box img.show{display:block}.product-placeholder{width:100%;height:100%;border:2px dashed #d6dbe3;border-radius:10px;display:grid;place-items:center;color:#9ca3af;font-size:12px}
.divider{height:3px;background:#333;margin:0 44px 18px}.specs{margin:0 44px 26px}.spec-line{display:grid;grid-template-columns:160px 16px 1fr;gap:4px;margin:9px 0;font-size:14px;line-height:1.3}.tech-table-section{margin-top:auto}#techPreview{border-collapse:collapse;width:100%;table-layout:fixed;font-size:11px}#techPreview th,#techPreview td{border:1px solid #fff;text-align:center;padding:7px 2px}#techPreview thead tr:first-child th{background:var(--accent);font-weight:900}#techPreview thead tr:nth-child(2) th{background:#f6e8e8}#techPreview tbody td{background:#f4dada;font-weight:800}#techPreview tbody tr:nth-child(even) td{background:#efccce}.highlight-note{background:var(--accent);border-radius:20px;text-align:center;padding:10px;margin:14px 0 22px;font-size:13px;font-weight:800}.footer-strip{background:#111;color:#fff;border-radius:9px;min-height:34px;display:grid;grid-template-columns:1.3fr 1fr 1fr;align-items:center;padding:0 10px;font-size:10px;font-weight:800}.footer-strip span:first-child{color:var(--accent)}.footer-contact{display:flex;justify-content:space-between;padding:10px 6px 0;font-size:12px}

/* History */
.history-current,.history-card,.empty-card{background:#102329;border:1px solid #244048;border-radius:9px;padding:13px;margin-bottom:10px}.history-current,.history-card{display:flex;align-items:center;justify-content:space-between;gap:10px}.history-card span,.history-current span{color:#94a7ad;font-size:11px}.history-details{flex:1;margin-left:20px}

@media(max-width:1100px){.app-shell{grid-template-columns:210px 1fr}.editor-layout{grid-template-columns:150px 380px minmax(720px,1fr)}}
@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.stats{grid-template-columns:repeat(2,1fr)}.card-grid{grid-template-columns:repeat(2,1fr)}.filters{grid-template-columns:1fr 150px}.editor-layout{grid-template-columns:1fr}.step-nav{display:none}.edit-panel{position:static;height:auto}.auth-wrap{grid-template-columns:1fr}.auth-visual{display:none}}
@media(max-width:600px){.content{padding:14px 10px}.topbar{padding:0 10px}.searchbox{display:none}.stats{grid-template-columns:1fr 1fr}.card-grid{grid-template-columns:1fr}.filters{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}.editor-topbar-right .btn:not(.primary){display:none}.preview-panel{padding:8px}.auth-bg{padding:12px}}
@media print{@page{size:A4;margin:0}html,body{background:#fff}.editor-topbar,.step-nav,.edit-panel,.preview-label{display:none!important}.editor-layout{display:block}.preview-panel{padding:0;background:#fff}.datasheet-page{width:210mm;min-height:297mm;box-shadow:none;margin:0}}

.mini-logo.image-logo{
  width:28px;height:28px;
  padding:3px;
  display:inline-grid;
  place-items:center;
  overflow:hidden;
  background:#fff;
  border-radius:5px;
  flex:0 0 auto;
}
.mini-logo.image-logo img{
  display:block;
  max-width:100%;
  max-height:100%;
  object-fit:contain;
}
#brandLogoFallback{font-weight:950;color:var(--secondary);font-size:14px;line-height:1}

/* Uploadable small brand logo */
.brand-badge .image-logo{
  width:34px!important;
  height:30px!important;
  padding:3px!important;
  border-radius:5px!important;
  background:#fff!important;
  display:inline-grid!important;
  place-items:center!important;
  overflow:hidden!important;
}
.brand-badge .image-logo img{
  display:block;
  width:100%;
  height:100%;
  max-width:100%!important;
  max-height:100%!important;
  object-fit:contain;
}

.footer-text-editor{
  margin-top:12px;
  background:#0d1f24;
  border-color:#315158;
}
.footer-text-editor h3{
  color:#fff;
  margin-bottom:10px;
}
.footer-strip span{
  min-width:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.footer-strip span:nth-child(2){
  text-align:center;
}
.footer-strip span:nth-child(3){
  text-align:right;
}