:root{
  --bg:#0b1020;
  --bg-soft:#111935;
  --surface:#ffffff;
  --ink:#0f172a;
  --ink-soft:#475569;
  --border:#e5e7eb;
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --shadow:0 10px 30px -15px rgba(15,23,42,.25);
}

html,body{height:100%}
body{
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:#f5f7fb;
  color:var(--ink);
}

/* Brand */
.brand-mark{
  font-weight:800;letter-spacing:.5px;color:#fff;
  background:linear-gradient(135deg,#3b82f6,#8b5cf6);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-sub{margin-left:6px;color:#94a3b8;font-weight:500;font-size:.9em}

/* Navbar */
.portal-navbar{
  background:linear-gradient(135deg,#0b1020,#1e293b);
  box-shadow:0 1px 0 rgba(255,255,255,.05),0 8px 24px -16px rgba(0,0,0,.4);
  padding:.85rem 0;
}
.portal-navbar .nav-link{color:#cbd5e1;border-radius:8px;padding:.45rem .85rem;margin:0 2px}
.portal-navbar .nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.portal-navbar .nav-link.active{color:#fff;background:rgba(59,130,246,.18)}
.portal-navbar .nav-link i{margin-right:6px;opacity:.9}

/* Footer */
.portal-footer{background:#fff;border-top:1px solid var(--border)}

/* Hero */
.hero{padding:1.5rem 0 .5rem}
.hero-title{font-size:2rem;font-weight:700;letter-spacing:-.01em;margin-bottom:.35rem}
.hero-sub{color:var(--ink-soft);max-width:60ch;margin:0}

/* App cards */
.app-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:1.25rem 1.25rem 1rem;text-decoration:none;color:inherit;
  height:100%;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  position:relative;overflow:hidden;
}
.app-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--accent,#2563eb);
  opacity:.85;
}
.app-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow);
  border-color:transparent;
}
.app-card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.85rem}
.app-icon{
  width:44px;height:44px;border-radius:12px;
  background:color-mix(in srgb,var(--accent,#2563eb) 14%, white);
  color:var(--accent,#2563eb);
  display:flex;align-items:center;justify-content:center;font-size:1.25rem;
}
.app-tag{
  font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  background:#f1f5f9;color:#475569;padding:.25rem .6rem;border-radius:999px;
}
.app-name{font-size:1.1rem;font-weight:700;margin:0 0 .35rem}
.app-desc{color:var(--ink-soft);font-size:.92rem;line-height:1.45;flex:1}
.app-foot{display:flex;justify-content:space-between;align-items:center;margin-top:.85rem;padding-top:.85rem;border-top:1px dashed var(--border)}
.app-stack{color:#64748b;font-weight:500}
.app-link{color:var(--accent,#2563eb);font-weight:600}

/* Login */
.login-body{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(1200px 600px at 20% 10%,rgba(59,130,246,.18),transparent 60%),
             radial-gradient(900px 500px at 90% 90%,rgba(139,92,246,.18),transparent 60%),
             linear-gradient(135deg,#0b1020,#1e293b);
  padding:2rem;
}
.login-card{
  width:100%;max-width:420px;background:#fff;border-radius:18px;
  padding:2.25rem 2rem 2rem;box-shadow:0 30px 60px -25px rgba(0,0,0,.45);
}
.login-brand{font-size:1.5rem;font-weight:800;text-align:center;margin-bottom:.25rem}
.login-hint{text-align:center;color:#64748b;margin-bottom:1.5rem}
.login-card .form-control{border-radius:10px}
.login-card .btn-primary{
  border-radius:10px;background:linear-gradient(135deg,#2563eb,#7c3aed);border:none;font-weight:600;
}
.login-card .btn-primary:hover{filter:brightness(1.05)}

/* Docs */
.docs-eyebrow{
  font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--primary);background:#eff6ff;padding:.3rem .7rem;border-radius:999px;display:inline-block;
}
.docs-header{margin-bottom:2rem}
.docs-header h1{font-weight:800;margin-top:.6rem;letter-spacing:-.015em}
.docs-toc{
  background:#fff;border:1px solid var(--border);border-radius:14px;padding:1.1rem 1.1rem;
  top:1rem;
}
.docs-toc ul li{margin:.4rem 0}
.docs-toc a{color:var(--ink-soft);text-decoration:none;font-size:.92rem}
.docs-toc a:hover{color:var(--primary)}
.docs section{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:1.5rem 1.75rem;margin-bottom:1.25rem;scroll-margin-top:80px;
}
.docs section h2{font-weight:700;margin-bottom:1rem;letter-spacing:-.01em}
.docs code{background:#f1f5f9;color:#0f172a;padding:.1rem .35rem;border-radius:5px;font-size:.88em}
.docs-table th{width:200px;color:var(--ink-soft);font-weight:600}
.stack-card{border:1px solid var(--border);border-radius:12px;padding:1rem;height:100%}
.stack-card h5{font-size:1rem;font-weight:700}
.stack-card p{color:var(--ink-soft);margin:0;font-size:.92rem}
.docs-steps li{margin-bottom:.5rem}
.rules-list,.quirks-list{list-style:none;padding:0;margin:0}
.rules-list li,.quirks-list li{
  padding:.6rem .8rem;border-left:3px solid var(--primary);background:#f8fafc;
  border-radius:0 8px 8px 0;margin-bottom:.5rem;
}
.quirks-list li{border-left-color:#f59e0b}
.mem-grid .mem-item{
  background:#f8fafc;border:1px solid var(--border);border-radius:8px;padding:.55rem .75rem;
  font-size:.88rem;
}