:root{
    --bg:#f5f7fb;
    --surface:#ffffff;
    --surface-2:#eef3f8;
    --line:#dfe7ef;
    --text:#172033;
    --muted:#66758a;
    --primary:#155e75;
    --primary-2:#0f766e;
    --accent:#f59e0b;
    --success:#15803d;
    --danger:#b91c1c;
    --warning:#b45309;
    --radius:12px;
    --shadow:0 18px 45px rgba(20,35,55,.10);
}
*{box-sizing:border-box}
html{min-height:100%}
body{
    margin:0;
    min-height:100%;
    font-family:Inter,"Segoe UI",Roboto,Arial,sans-serif;
    color:var(--text);
    background:
        linear-gradient(180deg,rgba(21,94,117,.08),transparent 280px),
        var(--bg);
    letter-spacing:0;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,p{overflow-wrap:anywhere}
h1{font-size:clamp(1.75rem,3vw,2.7rem);line-height:1.08;margin:0 0 14px}
h2{font-size:1.28rem;margin:26px 0 14px}
h3{font-size:1.04rem;margin:0 0 10px}
p{line-height:1.65;color:var(--muted)}
.top{
    position:sticky;
    top:0;
    z-index:20;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:18px;
    padding:14px 5%;
    background:rgba(255,255,255,.9);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(14px);
}
.brand{
    color:var(--text);
    font-weight:900;
    font-size:1.04rem;
    letter-spacing:0;
    display:inline-flex;
    align-items:center;
    gap:10px;
}
.brand::before{
    content:"";
    width:28px;
    height:28px;
    border-radius:7px;
    background:linear-gradient(135deg,var(--primary),var(--primary-2));
    box-shadow:0 8px 18px rgba(21,94,117,.25);
}
.top nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.top nav a,.nav-link{
    color:var(--text);
    padding:9px 11px;
    border-radius:var(--radius);
    font-weight:700;
}
.top nav a:hover,.nav-link:hover{background:var(--surface-2);text-decoration:none}
.container{width:min(1180px,calc(100% - 32px));margin:auto;padding:34px 0 48px}
.hero{
    min-height:min(560px,calc(100vh - 120px));
    display:grid;
    align-content:center;
    gap:20px;
    color:#fff;
    padding:56px;
    margin:0 0 32px;
    border-radius:var(--radius);
    background:
        linear-gradient(90deg,rgba(9,31,47,.92),rgba(9,31,47,.62)),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='700' viewBox='0 0 1200 700'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' x2='1' y1='0' y2='1'%3E%3Cstop stop-color='%23155e75'/%3E%3Cstop offset='1' stop-color='%230f766e'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='1200' height='700' fill='url(%23g)'/%3E%3Cg fill='none' stroke='rgba(255,255,255,.22)' stroke-width='2'%3E%3Cpath d='M85 160h260v150H85zM410 110h320v210H410zM785 170h280v140H785zM155 390h360v170H155zM600 410h410v165H600z'/%3E%3Cpath d='M140 220h150M460 172h215M830 225h190M210 455h245M650 474h310M140 265h95M460 222h160M830 267h110M210 507h150M650 525h230'/%3E%3C/g%3E%3Ccircle cx='1030' cy='95' r='130' fill='rgba(245,158,11,.22)'/%3E%3C/svg%3E") center/cover;
    box-shadow:var(--shadow);
    overflow:hidden;
}
.hero h1{max-width:790px;color:#fff}
.hero p{max-width:650px;color:rgba(255,255,255,.84);font-size:1.08rem}
.hero-actions,.actions,.admin-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.btn,button{
    appearance:none;
    border:1px solid transparent;
    border-radius:10px;
    background:linear-gradient(135deg,var(--primary),var(--primary-2));
    color:#fff;
    padding:10px 14px;
    cursor:pointer;
    font-weight:800;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    box-shadow:0 10px 22px rgba(21,94,117,.18);
    min-height:40px;
}
.btn:hover,button:hover{text-decoration:none;filter:brightness(.98)}
.btn.success,.success{background:linear-gradient(135deg,var(--success),#0f766e)}
.danger{background:linear-gradient(135deg,var(--danger),#dc2626)!important;color:#fff}
.muted{background:#e7edf3!important;color:var(--text)!important;box-shadow:none}
.ghost{background:#fff!important;color:var(--primary)!important;border-color:var(--line);box-shadow:none}
.small{padding:7px 10px;font-size:.9rem;min-height:34px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.card,.metric,fieldset,.data-panel{
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:20px;
    box-shadow:0 12px 30px rgba(20,35,55,.07);
}
.card{transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-2px);border-color:#c9d6e2;box-shadow:var(--shadow)}
.section-head{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    gap:18px;
    margin:26px 0 14px;
}
.section-head h2,.section-head h1{margin:0}
.section-head p{margin:4px 0 0}
.alert{padding:12px 14px;border-radius:var(--radius);margin-bottom:14px;border:1px solid}
.ok{background:#ecfdf3;color:#166534;border-color:#bbf7d0}
.err{background:#fef2f2;color:#991b1b;border-color:#fecaca}
.ok-text{color:var(--success)}
.err-text{color:var(--danger)}
.inline{display:inline}
label{display:block;margin:12px 0;font-weight:800;color:var(--text)}
small{display:block;color:var(--muted);font-weight:600;margin-top:6px}
input,textarea,select{
    width:100%;
    margin-top:6px;
    padding:11px 12px;
    border:1px solid #cfd9e3;
    border-radius:var(--radius);
    background:#fff;
    color:var(--text);
    font:inherit;
}
input:focus,textarea:focus,select:focus{outline:3px solid rgba(21,94,117,.14);border-color:var(--primary)}
textarea{min-height:132px;resize:vertical}
.table-wrap{width:100%;overflow:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 10px 26px rgba(20,35,55,.06)}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{padding:13px 14px;border-bottom:1px solid #edf2f7;text-align:left;vertical-align:top}
th{background:#f1f5f9;color:#334155;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:0}
.badge{
    display:inline-flex;
    align-items:center;
    border-radius:999px;
    background:#e7edf3;
    color:#334155;
    padding:6px 10px;
    font-size:.84rem;
    font-weight:800;
    white-space:nowrap;
}
.badge.success{background:#dcfce7;color:#166534;box-shadow:none}
.badge.danger{background:#fee2e2!important;color:#991b1b;box-shadow:none}
.badge.warning{background:#fef3c7;color:#92400e;box-shadow:none}
.locked{color:#64748b}
.stats-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin:22px 0}
.feature{display:flex;gap:14px;align-items:flex-start}
.feature b{
    width:42px;
    height:42px;
    display:grid;
    place-items:center;
    border-radius:var(--radius);
    background:var(--surface-2);
    color:var(--primary);
    flex:0 0 auto;
}
.empty-state{
    padding:26px;
    border:1px dashed #cbd5e1;
    border-radius:var(--radius);
    color:var(--muted);
    background:#fff;
}
@media(max-width:760px){
    .top{align-items:flex-start;padding:13px 16px}
    .top nav{width:100%}
    .container{width:min(100% - 24px,1180px);padding:20px 0 34px}
    .hero{padding:34px 22px;min-height:430px}
    .section-head{display:block}
    th,td{padding:11px 12px}
}