:root{
  --ink:#0b1d33;--navy:#102a47;--blue:#1f6fd1;--blue2:#2f87ec;--ice:#f3f7fb;
  --line:#dbe5ef;--muted:#66788d;--white:#fff;--danger:#b3261e;--success:#16794b;
  --shadow:0 18px 48px rgba(11,29,51,.09);--radius:18px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:#f7f9fc;color:var(--ink);line-height:1.45}
a{color:inherit}.wrap{width:min(1180px,calc(100% - 36px));margin:auto}
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.topbar-inner{min-height:78px;display:flex;align-items:center;gap:28px}
.brand{text-decoration:none;display:flex;align-items:baseline;gap:5px;letter-spacing:-.05em;font-weight:900;font-size:25px}
.brand-mark{color:var(--ink)}.brand-edv{color:var(--blue)}.brand-sub{font-size:10px;letter-spacing:.17em;color:var(--muted);margin-left:8px}
.nav{display:flex;gap:24px;margin-left:auto}.nav a{text-decoration:none;font-weight:650;font-size:14px}.nav a:hover{color:var(--blue)}
.userbox{display:flex;align-items:center;gap:12px;padding-left:18px;border-left:1px solid var(--line);font-size:13px;font-weight:700}
.link-btn{border:0;background:none;color:var(--blue);font-weight:700;cursor:pointer;padding:0}
.hero{background:linear-gradient(118deg,#0a1b30 0%,#102f53 64%,#174a7c 100%);color:#fff;padding:74px 0 66px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.5fr .65fr;gap:50px;align-items:end}
.hero h1{font-size:clamp(48px,7vw,82px);line-height:.92;letter-spacing:-.055em;margin:14px 0 22px;max-width:760px}
.hero h1 span{color:#66aefc}.hero p{font-size:19px;color:#d7e5f5;max-width:690px}
.hero-actions{display:flex;gap:12px;margin-top:30px}.hero-panel{border:1px solid rgba(255,255,255,.2);padding:24px;border-radius:var(--radius);background:rgba(255,255,255,.07);backdrop-filter:blur(8px)}
.hero-panel strong,.hero-panel span{display:block}.hero-panel strong{font-size:20px;margin:16px 0 4px}.hero-panel span{color:#bdd0e6}
.hero-number{font-size:42px;font-weight:900;color:#66aefc}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:850;color:var(--blue)}.eyebrow.light{color:#8fc4ff}
.content{padding:52px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:24px}.section-head.compact{align-items:center;margin-bottom:18px}
.section-head h1,.section-head h2{margin:4px 0 0;letter-spacing:-.03em}.section-head h2{font-size:32px}.section-head p{max-width:480px;color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feature-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-decoration:none;min-height:250px;box-shadow:0 5px 20px rgba(11,29,51,.04);transition:.18s}
.feature-card:hover{transform:translateY(-3px);border-color:#a9c9ec;box-shadow:var(--shadow)}
.feature-card h3{font-size:24px;margin:44px 0 8px;letter-spacing:-.025em}.feature-card p{color:var(--muted);max-width:470px}.feature-no{position:absolute;top:24px;left:28px;color:#93a7bd;font-weight:800;font-size:12px}.feature-icon{position:absolute;right:24px;top:20px;color:var(--blue);font-weight:900;font-size:22px}.card-link{display:block;margin-top:20px;color:var(--blue);font-weight:800}
.admin-card{background:linear-gradient(135deg,#0e2743,#163d67);color:#fff;border:0}.admin-card p{color:#ceddeb}.admin-card .card-link,.admin-card .feature-icon{color:#7fbdff}.muted-card{opacity:.74}
.footer{border-top:1px solid var(--line);background:#fff;margin-top:48px}.footer-inner{padding:28px 0;display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.footer strong{color:var(--ink)}.footer-right{text-align:right}
.subhero{background:linear-gradient(112deg,#0b1e35,#174b7e);color:#fff;padding:48px 0}.subhero h1{font-size:44px;margin:6px 0 8px;letter-spacing:-.04em}.subhero p{color:#d7e5f5;margin:0}.admin-hero{background:linear-gradient(112deg,#111d2c,#263a55)}
.surface{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 5px 18px rgba(11,29,51,.035)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}.step-title{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px}.step-title>span{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#eaf3fd;color:var(--blue);font-weight:900}.step-title h2{margin:0;font-size:24px}.step-title p{margin:3px 0;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-stack{display:grid;gap:14px}
label{font-size:13px;font-weight:750;color:#29435f;display:grid;gap:6px}
input,select{width:100%;border:1px solid #cbd8e5;border-radius:10px;background:#fff;padding:12px 13px;font:inherit;color:var(--ink)}
input:focus,select:focus{outline:3px solid rgba(31,111,209,.13);border-color:var(--blue)}
.scanner{font-size:19px;font-weight:800;padding:15px;border-width:2px;border-color:#7eafe5}.scan-input{font-weight:700}
.btn{border:0;border-radius:10px;padding:11px 16px;font-weight:800;text-decoration:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn.primary{background:var(--blue);color:#fff}.btn.primary:hover{background:#155fac}.btn.secondary{background:#eaf2fb;color:#174d84}.btn.white{background:#fff;color:var(--ink)}.btn.outline-light{border:1px solid rgba(255,255,255,.45);color:#fff;background:transparent}.btn.ghost{background:#f2f5f8;color:#455c74}.btn.danger{background:#fae8e7;color:#9d241d}.btn.full{width:100%}.btn.small{padding:7px 10px;font-size:12px}
.status-box,.hint{border-radius:10px;padding:10px 12px;margin-top:12px;font-size:13px}.status-box.info,.hint{background:#eef6ff;color:#245987}.status-box.ok{background:#e9f7ef;color:#17653f}.status-box.warn{background:#fff6dc;color:#72550b}.status-box.danger{background:#fdeceb;color:#9d241d}
.serial-panel{border:1px solid #e8c76d;background:#fffae9;padding:16px;border-radius:12px;margin-top:14px}.serial-panel strong{display:block;margin-bottom:10px}.manual-box{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}.manual-box h3{margin:0 0 12px}.manual-row{display:grid;grid-template-columns:120px 1fr;gap:10px;align-items:end;margin-top:10px}.inline-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.hidden{display:none!important}
.list-section{margin-top:20px}.list-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.list-head h2{margin:3px 0 0}.stats{display:flex;gap:10px;margin:18px 0}.stats>div{min-width:120px;background:#f5f8fc;border:1px solid var(--line);padding:10px 13px;border-radius:12px}.stats span,.stats strong{display:block}.stats span{font-size:11px;color:var(--muted);text-transform:uppercase;font-weight:800}.stats strong{font-size:22px;margin-top:2px}
.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th,.data-table td{padding:11px 9px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.data-table th{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#657a91;background:#f7f9fc}.empty-state{text-align:center;padding:32px;border:1px dashed #bdcad8;border-radius:12px;color:var(--muted)}
.login-shell{min-height:calc(100vh - 79px);display:grid;grid-template-columns:minmax(380px,520px) 1fr}.login-card{padding:64px clamp(28px,6vw,80px);display:flex;flex-direction:column;justify-content:center;background:#fff}.login-card h1{font-size:42px;letter-spacing:-.045em;margin:10px 0}.lead{color:var(--muted);margin-bottom:28px}.login-visual{background:linear-gradient(135deg,#0a1b30,#154a7c);color:#fff;padding:70px;display:flex;flex-direction:column;justify-content:center}.login-visual h2{font-size:70px;line-height:.95;letter-spacing:-.055em;margin:12px 0}.login-visual h2 span{color:#6ab2ff}.login-visual p{max-width:600px;color:#d5e5f5;font-size:18px}.hero-kicker{font-size:11px;letter-spacing:.15em;font-weight:900;color:#8fc4ff}
.security-note{font-size:12px;color:var(--muted);margin-top:18px;border-top:1px solid var(--line);padding-top:14px}.muted{color:var(--muted);font-weight:400}
.flashes{padding-top:14px}.flash{padding:11px 13px;border-radius:10px;margin-bottom:8px}.flash.success{background:#e7f5ed;color:#17653f}.flash.danger,.flash.warning{background:#fdeceb;color:#92251e}
.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}.security-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}.security-list>div{background:#f6f9fc;border:1px solid var(--line);padding:14px;border-radius:12px}.security-list strong,.security-list span{display:block}.security-list strong{font-size:18px}.security-list span{font-size:12px;color:var(--muted)}.admin-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.inline-reset{display:flex;gap:6px}.inline-reset input{max-width:170px;padding:7px 9px}.pill{display:inline-block;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:800}.pill.ok{background:#e7f5ed;color:#17653f}.pill.off{background:#eef1f4;color:#637384}.error-page{text-align:center;padding:70px}
@media(max-width:900px){.hero-grid,.two-col,.admin-grid,.login-shell{grid-template-columns:1fr}.login-visual{display:none}.card-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.nav{display:none}.userbox{margin-left:auto}.list-head,.section-head{align-items:flex-start;flex-direction:column}.hero{padding:55px 0}.hero h1{font-size:52px}}
@media print{.topbar,.footer,.subhero,.two-col,.list-head .inline-actions,.flashes{display:none!important}.content{padding:0}.surface{box-shadow:none;border:0;padding:0}.list-section{margin:0}.stats{display:none}.data-table{font-size:10px}.data-table th,.data-table td{padding:5px;border:1px solid #aaa}.data-table th:last-child,.data-table td:last-child{display:none}}