:root{
  --bg:#f4f7fb;--card:#ffffff;--text:#111827;--muted:#667085;--line:#e5e7eb;
  --primary:#4f46e5;--primary2:#06b6d4;--sidebar:#0b1020;--sidebar2:#151b2f;
  --shadow:0 18px 45px rgba(15,23,42,.08);--radius:20px;
}
body.dark{--bg:#0b1020;--card:#121a2b;--text:#e5e7eb;--muted:#aab3c5;--line:#263249;--sidebar:#050816;--sidebar2:#111827;--shadow:0 18px 45px rgba(0,0,0,.28)}
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Arial,system-ui,sans-serif}.app-shell{min-height:100vh}.sidebar{width:286px;min-height:100vh;position:fixed;inset:0 auto 0 0;background:radial-gradient(circle at top left,#27346b 0,#10172a 42%,var(--sidebar) 100%);color:white;padding:22px;display:flex;flex-direction:column;z-index:50;box-shadow:8px 0 35px rgba(2,6,23,.25)}
.brand{display:flex;gap:13px;align-items:center;margin-bottom:28px}.brand-logo{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--primary2));display:grid;place-items:center;font-weight:900;font-size:24px;box-shadow:0 12px 28px rgba(79,70,229,.35)}.brand-title{font-weight:900;font-size:20px;line-height:1}.brand-subtitle{color:#aab3c5;font-size:12px;margin-top:5px}.nav-section{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#7e8aa8;margin:16px 0 8px}.side-nav a{display:flex;align-items:center;gap:12px;color:#cbd5e1;text-decoration:none;padding:12px 13px;border-radius:15px;margin:4px 0;transition:.18s}.side-nav a span{width:28px;height:28px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center}.side-nav a:hover,.side-nav a.active{background:linear-gradient(90deg,rgba(79,70,229,.95),rgba(6,182,212,.75));color:#fff;transform:translateX(3px)}.side-nav a b{font-weight:700;font-size:14px}.sidebar-footer{margin-top:auto}.mini-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.09);border-radius:18px;padding:14px;margin:18px 0}.mini-label{font-size:12px;color:#9ca3af}.mini-value{font-weight:800;font-size:13px;word-break:break-all}.logout{display:block;color:#fecaca;text-decoration:none;padding:12px 13px;border-radius:15px}.logout:hover{background:rgba(239,68,68,.12);color:white}.main{margin-left:286px;padding:26px 30px 44px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px;gap:16px}.page-eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);font-weight:800}.topbar h1{font-size:30px;letter-spacing:-.04em;margin:2px 0 0;font-weight:900}.top-actions{display:flex;gap:10px;align-items:center}.mobile-menu{display:none;border:0;background:var(--card);color:var(--text);border-radius:14px;padding:10px 13px;box-shadow:var(--shadow)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card h5,.card h4{font-weight:900}.stat{font-size:38px;font-weight:950;letter-spacing:-.05em}.text-muted{color:var(--muted)!important}.form-control,.form-select,.form-check-input{border-radius:14px;border-color:var(--line);background:var(--card);color:var(--text)}textarea.form-control{min-height:120px}.form-control:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 .2rem rgba(79,70,229,.14)}.btn{border-radius:14px;font-weight:800}.btn-primary{background:linear-gradient(135deg,var(--primary),#2563eb);border:0}.soft-btn{background:var(--card);border:1px solid var(--line);color:var(--text)}.badge-soft{background:#eef2ff;color:#3444d8;border-radius:999px;padding:7px 10px}.prebox{white-space:pre-wrap;background:rgba(127,127,127,.08);border:1px solid var(--line);border-radius:16px;padding:16px;max-height:520px;overflow:auto}.editor{min-height:440px}.table{color:var(--text)}.border-bottom{border-color:var(--line)!important}.alert{border:0;border-radius:16px}.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.quick-card{display:block;text-decoration:none;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);transition:.18s}.quick-card:hover{transform:translateY(-3px);color:var(--text)}.quick-icon{font-size:28px;margin-bottom:10px}.quick-title{font-weight:900}.quick-desc{color:var(--muted);font-size:13px;margin-top:4px}
@media(max-width:960px){.sidebar{transform:translateX(-105%);transition:.2s}.sidebar.open{transform:none}.main{margin-left:0;padding:18px}.mobile-menu{display:block}.topbar{align-items:flex-start}.top-actions{flex-wrap:wrap;justify-content:flex-end}.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.topbar{display:block}.top-actions{margin-top:12px}.quick-grid{grid-template-columns:1fr}.topbar h1{font-size:24px}.main{padding:14px}.card{border-radius:16px}}