:root{--bg:#f6f7fb;--bg-2:#eef2ff;--panel:#fff;--panel-2:#f8fafc;--border:rgba(15,23,42,.12);--border-strong:rgba(15,23,42,.18);--shadow-sm:0 1px 2px rgba(2,6,23,.06);--shadow-md:0 18px 48px rgba(2,6,23,.1);--ink-1:#0f172a;--ink-2:#334155;--muted:#64748b;--accent:#2563eb;--accent-2:#1d4ed8;--danger:#dc2626;--radius-sm:12px;--radius:16px;--max:1180px;--font-sans:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Arial,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);color:var(--ink-1);background:radial-gradient(900px 420px at 15% -10%,rgba(37,99,235,.16),transparent 60%),radial-gradient(900px 520px at 85% 0,rgba(99,102,241,.14),transparent 55%),linear-gradient(180deg,var(--bg) 0,var(--bg-2) 45%,var(--bg) 100%);min-height:100vh}a{color:inherit;text-decoration:none}main{max-width:var(--max);margin:0 auto;padding:28px 20px 80px}header{position:-webkit-sticky;position:sticky;top:0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:rgba(246,247,251,.78);border-bottom:1px solid var(--border);z-index:20}.header-inner{max-width:var(--max);margin:0 auto;justify-content:space-between;padding:18px 20px;gap:20px}.brand,.header-inner{display:flex;align-items:center}.brand{gap:12px;letter-spacing:-.01em}.brand-mark{width:36px;height:36px;border-radius:12px;background:radial-gradient(60% 60% at 30% 20%,hsla(0,0%,100%,.9),transparent 70%),linear-gradient(135deg,var(--accent),rgba(99,102,241,.9));box-shadow:0 10px 24px rgba(37,99,235,.25);display:grid;place-items:center;color:#fff}.brand-name{font-size:18px;font-weight:750;line-height:1.1}.brand-subtitle{font-size:12px;color:var(--muted);line-height:1.2;margin-top:2px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-md)}.grid{display:grid;grid-gap:20px;gap:20px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.section-title{font-size:22px;font-weight:720;margin:0 0 12px;letter-spacing:-.01em}.page-title{font-size:30px;font-weight:820;margin:0;letter-spacing:-.02em}.page-subtitle{margin:8px 0 0;color:var(--muted);font-size:14px;line-height:1.5}.card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.muted{color:var(--muted);font-size:14px}.button{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:12px;border:1px solid transparent;background:var(--accent);color:#fff;font-weight:600;cursor:pointer;transition:background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;box-shadow:var(--shadow-sm)}.button:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.button.secondary{background:rgba(15,23,42,.03);border:1px solid var(--border);color:var(--ink-1)}.button:hover{background:var(--accent-2);transform:translateY(-1px);box-shadow:0 14px 30px rgba(37,99,235,.18)}.button.secondary:hover{background:rgba(15,23,42,.06);border-color:var(--border-strong);box-shadow:var(--shadow-sm)}input,select,textarea{width:100%;border-radius:12px;border:1px solid var(--border);padding:10px 12px;font-size:14px;font-family:inherit;background:#fff}input:focus,select:focus,textarea:focus{outline:none;border-color:rgba(37,99,235,.5);box-shadow:0 0 0 4px rgba(37,99,235,.16)}label{font-size:13px;font-weight:600;color:var(--ink-2);display:block;margin-bottom:6px}.stack{display:grid;grid-gap:12px;gap:12px}.tag{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:12px;border:1px solid rgba(37,99,235,.22);background:rgba(37,99,235,.08);color:#1d4ed8}.tag.danger{border-color:rgba(220,38,38,.26);background:rgba(220,38,38,.08);color:#b91c1c}.link-card{display:flex;flex-direction:column;gap:8px}.link-card h3{margin:0;font-size:18px}.table{display:grid;grid-gap:10px;gap:10px}.table-row{display:grid;grid-template-columns:2fr 1fr 1fr;grid-gap:12px;gap:12px;padding:12px;border-radius:14px;border:1px solid var(--border);background:linear-gradient(180deg,rgba(248,250,252,.7),#fff);box-shadow:var(--shadow-sm)}.app-shell{display:grid;grid-template-columns:240px 1fr;grid-gap:18px;gap:18px;align-items:start}.sidebar{position:-webkit-sticky;position:sticky;top:86px;align-self:start;border-radius:var(--radius);border:1px solid var(--border);background:hsla(0,0%,100%,.9);box-shadow:var(--shadow-md);padding:14px}.sidebar-heading{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}.nav{display:grid;grid-gap:6px;gap:6px}.nav-link{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;border:1px solid transparent;color:var(--ink-1);font-weight:600;background:transparent}.nav-link:hover{background:rgba(15,23,42,.05);border-color:var(--border)}.nav-link[data-active=true]{background:rgba(37,99,235,.1);border-color:rgba(37,99,235,.22);color:#1d4ed8}.nav-icon{width:18px;height:18px;opacity:.9}.auth{display:flex;align-items:center;gap:10px}.popover{position:relative}.popover>summary{list-style:none}.popover>summary::-webkit-details-marker{display:none}.popover-panel{position:absolute;right:0;top:calc(100% + 10px);width:min(440px,calc(100vw - 40px));padding:16px;border-radius:var(--radius);border:1px solid var(--border);background:hsla(0,0%,100%,.96);box-shadow:var(--shadow-md);z-index:40}.popover-title{font-size:14px;font-weight:750;margin:0 0 10px}.row{display:grid;grid-gap:10px;gap:10px}.row-2{grid-template-columns:1fr 1fr}.divider{height:1px;background:var(--border);margin:12px 0}.mono{font-family:var(--font-mono)}@media (max-width:720px){.header-inner{flex-direction:column;align-items:flex-start}.app-shell{grid-template-columns:1fr}.sidebar{position:static;top:auto}.table-row{grid-template-columns:1fr}}