:root{
  --primary:#1f4e8c;
  --primary-2:#2f80ed;
  --accent:#f2994a;
  --accent-2:#ffb36b;
  --bg:#f6f8fb;
  --card:#ffffff;
  --muted:#6b7c93;
  --text:#1c2b3a;
  --line:#e5eaf2;
  --success:#1fad83;
  --warning:#f2c94c;
  --danger:#eb5757;
  --shadow:0 16px 50px rgba(31,78,140,.08);
  --radius:20px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none}
img{max-width:100%}
.code-font{font-family:"JetBrains Mono",Consolas,monospace}
.brand-logo{display:flex;align-items:center;gap:.8rem;font-weight:700;color:var(--text)}

.topbar{background:rgba(255,255,255,.88);backdrop-filter:blur(10px);border-bottom:1px solid rgba(229,234,242,.85)}
.nav-link{color:var(--muted);font-weight:500}
.nav-link:hover,.nav-link.active{color:var(--primary)}
.btn-primary-custom{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border:none;border-radius:14px;padding:.88rem 1.35rem;font-weight:600;box-shadow:0 10px 24px rgba(47,128,237,.25)}
.btn-primary-custom:hover{color:#fff;transform:translateY(-1px)}
.btn-outline-custom{border:1.5px solid var(--primary);color:var(--primary);background:#fff;border-radius:14px;padding:.86rem 1.35rem;font-weight:600}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent-2));border:none;color:#fff;border-radius:14px;padding:.86rem 1.35rem;font-weight:600}
.hero{padding:3rem 0 4rem;background:
 radial-gradient(circle at 20% 0%, rgba(47,128,237,.08), transparent 28%),
 radial-gradient(circle at 80% 20%, rgba(242,153,74,.10), transparent 24%),
 linear-gradient(180deg, #ffffff 0%, #f7faff 100%)}
.hero-badge{display:inline-flex;gap:.5rem;align-items:center;background:#eef5ff;border:1px solid #d6e6fb;color:var(--primary);padding:.55rem .95rem;border-radius:999px;font-size:.9rem;font-weight:600}
.hero h1{font-size:clamp(2.6rem,6vw,5rem);line-height:.96;letter-spacing:-.03em;font-weight:800;margin:1.2rem 0 .8rem}
.hero p{font-size:1.1rem;color:var(--muted);max-width:700px}
.hero-card,.glass-card,.feature-card,.metric-card,.doc-panel,.auth-card,.dashboard-card,.table-card,.scheme-card,.profile-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-card{padding:1.2rem}
.grid-lines{position:relative;overflow:hidden}
.grid-lines:before{content:"";position:absolute;inset:0;background-image:linear-gradient(to right, rgba(31,78,140,.06) 1px, transparent 1px);background-size:90px 100%;pointer-events:none}
.stat-pill{display:inline-flex;align-items:center;gap:.45rem;padding:.45rem .8rem;border-radius:999px;background:#f5f9ff;border:1px solid #deebfb;color:var(--primary);font-size:.85rem;font-weight:600}
.section-title{font-size:2rem;font-weight:800;letter-spacing:-.02em;margin-bottom:.7rem}
.section-sub{color:var(--muted);max-width:760px}
.feature-card{padding:1.35rem;height:100%}
.feature-icon{width:54px;height:54px;border-radius:16px;background:linear-gradient(145deg,#edf4ff,#fff);display:grid;place-items:center;color:var(--primary);font-size:1.35rem;border:1px solid var(--line)}
.feature-card h5{margin:.95rem 0 .45rem;font-weight:700}
.dark-code{background:#0f1726;color:#c8d2e0;border-radius:22px;padding:1.4rem;min-height:420px;box-shadow:0 20px 40px rgba(15,23,38,.18)}
.code-tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}
.code-tab{padding:.5rem .9rem;border-radius:999px;background:#172235;color:#d9e2f0;font-size:.86rem;border:1px solid rgba(255,255,255,.06)}
.doc-layout{display:grid;grid-template-columns:300px 1fr;gap:1.4rem}
.doc-sidebar{position:sticky;top:88px;padding:1rem;max-height:calc(100vh - 105px);overflow:auto}
.doc-sidebar h6{font-size:.85rem;text-transform:uppercase;color:#8a9bb2;letter-spacing:.08em;margin:.8rem 0 .7rem}
.doc-sidebar a{display:block;padding:.72rem .8rem;border-radius:12px;color:var(--muted);font-weight:500}
.doc-sidebar a:hover,.doc-sidebar a.active{background:#eef5ff;color:var(--primary)}
.doc-panel{padding:1.35rem}
.endpoint{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap;margin-bottom:1rem}
.method{padding:.35rem .7rem;border-radius:999px;font-size:.82rem;font-weight:700}
.method.post{background:#eaf7ef;color:#1e8d54}
.method.get{background:#eaf2ff;color:#2d6cdf}
.method.put{background:#fff5e9;color:#c17b10}
.kbd-box,.copy-box{padding:.9rem 1rem;border-radius:16px;border:1px solid var(--line);background:#fbfdff}
.copy-btn{border:none;background:#eef5ff;color:var(--primary);padding:.45rem .75rem;border-radius:10px;font-weight:600}
.auth-wrap{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
.auth-visual{background:linear-gradient(155deg,#eff6ff 0%,#ffffff 60%,#eef6ff 100%);padding:3rem;position:relative;overflow:hidden;border-right:1px solid var(--line)}
.auth-visual:before{content:"";position:absolute;width:380px;height:380px;background:radial-gradient(circle, rgba(47,128,237,.12), transparent 70%);top:-80px;right:-50px}
.auth-card{padding:2rem;max-width:520px;margin:auto}
.form-control,.form-select{border:1px solid #d8e2f0;border-radius:14px;padding:.85rem .95rem}
.form-control:focus,.form-select:focus{box-shadow:0 0 0 .2rem rgba(47,128,237,.12);border-color:#8cb6f3}
.form-label{font-weight:600;color:#314257}
.form-hint{font-size:.82rem;color:#8091a7}
.sidebar-app{min-height:100vh;background:#fff;border-right:1px solid var(--line);padding:1rem;position:sticky;top:0}
.sidebar-app a{display:flex;align-items:center;gap:.85rem;padding:.82rem .95rem;border-radius:14px;color:var(--muted);font-weight:600;margin-bottom:.25rem}
.sidebar-app a:hover,.sidebar-app a.active{background:#eef5ff;color:var(--primary)}
.app-shell{display:grid;grid-template-columns:270px 1fr;min-height:100vh}
.content-wrap{padding:1.2rem 1.4rem}
.page-header{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1.25rem}
.metric-card{padding:1.15rem}
.metric-card .value{font-size:2rem;font-weight:800;letter-spacing:-.03em}
.metric-card .muted{color:var(--muted);font-size:.92rem}
.progress-soft{height:9px;border-radius:999px;background:#edf2f8;overflow:hidden}
.progress-soft span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-2))}
.chart-mock{height:260px;border-radius:20px;background:linear-gradient(180deg,#ffffff,#f7fbff);border:1px solid var(--line);padding:1rem;position:relative;overflow:hidden}
.chart-mock svg{width:100%;height:100%}
.table-card{padding:1rem}
.table thead th{font-size:.82rem;color:#8a9bb2;text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--line)}
.table td{vertical-align:middle;border-color:#edf1f6}
.badge-soft{display:inline-flex;align-items:center;padding:.45rem .7rem;border-radius:999px;font-weight:700;font-size:.78rem}
.badge-success{background:#eaf7ef;color:#1e8d54}
.badge-warning{background:#fff7e6;color:#b7791f}
.badge-danger{background:#ffefef;color:#cd4343}
.badge-info{background:#ecf4ff;color:#2d6cdf}
.scheme-card{padding:1.25rem;height:100%}
.scheme-meta{display:flex;gap:.55rem;flex-wrap:wrap;margin:.85rem 0}
.scheme-meta span{font-size:.8rem;background:#f4f8ff;color:var(--primary);padding:.36rem .62rem;border-radius:999px;border:1px solid #deebfb}
.key-box{background:#f9fbfe;border:1px dashed #c4d7f6;border-radius:18px;padding:1rem}
.footer-note{color:#8b9cb2;font-size:.9rem}
.notice{background:#fff8ef;border:1px solid #fde2bd;border-radius:18px;padding:1rem;color:#8a6319}
.toast-mini{position:fixed;right:18px;bottom:18px;background:#0f1726;color:#fff;padding:.9rem 1rem;border-radius:14px;box-shadow:0 14px 30px rgba(15,23,38,.3);display:none;z-index:2000}
.list-check{list-style:none;padding:0;margin:0}
.list-check li{padding-left:1.8rem;position:relative;margin-bottom:.75rem;color:#516174}
.list-check li:before{content:"✓";position:absolute;left:0;top:0;color:var(--success);font-weight:800}
@media (max-width: 1199px){
  .doc-layout{grid-template-columns:1fr}
  .doc-sidebar{position:relative;top:0;max-height:none}
}
@media (max-width: 991px){
  .app-shell{grid-template-columns:1fr}
  .sidebar-app{position:relative;min-height:auto}
  .auth-wrap{grid-template-columns:1fr}
  .auth-visual{display:none}
}
@media (max-width: 767px){
  .hero h1{font-size:2.5rem}
  .content-wrap{padding:1rem}
}
.brand-logo{
    display:flex;
    justify-content:center;
    align-items:center;
}

.logo-img{
    max-width:120px;
    height:auto;
    object-fit:contain;
}
.footer-note{
    font-size:14px;
    color:#4b5d73;
    padding:12px 0;
}

.footer-note i{
    color:#1F4E8C; /* NCGTC blue tone */
    margin-right:6px;
}