@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap");:root{--font-sans:"Plus Jakarta Sans",system-ui,-apple-system,sans-serif;--font-mono:"JetBrains Mono",monospace;--bg-page:#f8fafc;--surface-card:#ffffff;--surface-subtle:#f1f5f9;--surface-muted:#e2e8f0;--border-light:#e2e8f0;--border-strong:#cbd5e1;--text-main:#0f172a;--text-muted:#64748b;--text-subtle:#94a3b8;--brand-50:#eff6ff;--brand-100:#dbeafe;--brand-500:#2563eb;--brand-600:#1d4ed8;--brand-700:#1e40af;--brand-glow:rgba(37,99,235,0.15);--emerald-bg:#ecfdf5;--emerald-border:#a7f3d0;--emerald-text:#065f46;--emerald-dot:#10b981;--violet-bg:#f5f3ff;--violet-border:#ddd6fe;--violet-text:#5b21b6;--amber-bg:#fffbeb;--amber-border:#fde68a;--amber-text:#92400e;--rose-bg:#fef2f2;--rose-border:#fecaca;--rose-text:#991b1b;--shadow-xs:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-sm:0 1px 3px 0 rgba(0,0,0,0.08),0 1px 2px -1px rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.08),0 2px 4px -2px rgba(0,0,0,0.04);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.08),0 4px 6px -4px rgba(0,0,0,0.04);--shadow-xl:0 20px 25px -5px rgba(0,0,0,0.1),0 8px 10px -6px rgba(0,0,0,0.05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-page);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}.platform-layout{min-height:100vh;display:flex;flex-direction:column}.platform-top-bar{background:#090d16;border-bottom:1px solid #1e293b;padding:8px 32px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#94a3b8}.platform-engine-status{display:flex;align-items:center;gap:8px;font-weight:600;color:#e2e8f0}.engine-pulse-dot{width:8px;height:8px;background:#10b981;border-radius:50%;box-shadow:0 0 10px #10b981}.platform-meta-tags{display:flex;align-items:center;gap:16px}.platform-header{background:#ffffff;border-bottom:1px solid 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button{position:absolute;top:0;right:4px;height:44px;border:0;background:transparent;color:#64748b;font:inherit;font-size:13px;font-weight:600;cursor:pointer}.login-error{padding:10px 12px;border-radius:10px;background:#fef2f2;color:#991b1b;font-size:13px;font-weight:600}.login-submit{height:44px;margin-top:4px;border:0;border-radius:10px;background:#2563eb;color:#ffffff;font:inherit;font-size:14px;font-weight:700;cursor:pointer}.login-submit:hover:not(:disabled){background:#1d4ed8}.login-submit:disabled{opacity:.65;cursor:not-allowed}@media (max-width:800px){.login-split{grid-template-columns:1fr}.login-brand{display:none}.login-card-brand{display:flex}}.form-error{margin:0 0 12px;color:#991b1b;font-size:13px;font-weight:600}.btn-ghost-action:disabled,.btn-platform-primary:disabled,.btn-platform-secondary:disabled{opacity:.55;cursor:not-allowed}.platform-error-box{display:flex;align-items:center;justify-content:space-between;gap:12px}.shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr);background:var(--bg-page)}.shell-side{position:-webkit-sticky;position:sticky;top:0;height:100vh;background:#ffffff;border-right:1px solid var(--border-light);padding:20px 12px;gap:18px}.shell-nav,.shell-side{display:flex;flex-direction:column}.shell-nav{gap:4px}.shell-link{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;border:0;background:transparent;color:#475569;font:inherit;font-size:14px;font-weight:600;text-align:left;padding:10px 12px;border-radius:10px;cursor:pointer}.shell-link:hover{background:#f8fafc;color:#0f172a}.shell-link.active{background:var(--brand-50);color:var(--brand-700)}.shell-main{min-width:0;display:flex;flex-direction:column}.shell-top{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-light);padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px}.shell-title{margin:0;font-size:20px;font-weight:800;letter-spacing:-.02em}.shell-body{padding:24px 28px 64px}.drawer-backdrop{position:fixed;inset:0;z-index:80;background:rgba(15,23,42,.45);display:flex;justify-content:flex-end}.drawer-panel{width:min(480px,100vw);height:100%;background:#ffffff;box-shadow:-16px 0 40px rgba(15,23,42,.16);display:flex;flex-direction:column;animation:drawerIn .2s ease}.drawer-panel.wide{width:min(680px,100vw)}.drawer-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;padding:20px 24px 8px}.drawer-head h3{margin:0;font-size:18px;font-weight:800}.drawer-head p{margin:4px 0 0;font-size:12px;color:#64748b}.drawer-body{overflow:auto;padding:12px 24px 28px;flex:1 1}@keyframes drawerIn{0%{transform:translateX(20px)}to{transform:translateX(0)}}@media (max-width:800px){.shell{grid-template-columns:1fr}.shell-side{position:-webkit-sticky;position:sticky;top:0;z-index:30;height:auto;border-right:0;border-bottom:1px solid var(--border-light)}.shell-nav{flex-direction:row;overflow-x:auto}.shell-link{width:auto;white-space:nowrap}}