:root{--bg:#0f1115;--bg-soft:#131722;--panel:#161a22;--panel-2:#1a1f2b;--border:#262d3a;--text:#e6e9f0;--muted:#8b93a7;--accent-1:#7c3aed;--accent-2:#2563eb;--amber:#f59e0b;--blue:#3b82f6;--green:#22c55e;--red:#ef4444;--radius:12px;--font:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.55}a{color:inherit;text-decoration:none}.container{width:100%;max-width:1100px;margin:0 auto;padding:0 20px}.app{flex-direction:column;min-height:100vh;display:flex}.topbar{z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);background:#0f1115d9;position:sticky;top:0}.topbar-inner{align-items:center;gap:24px;height:60px;display:flex}.logo{letter-spacing:-.02em;align-items:center;gap:9px;font-size:17px;font-weight:800;display:inline-flex}.logo-mark{color:#fff;background:linear-gradient(135deg, var(--accent-1), var(--accent-2));border-radius:8px;place-items:center;width:28px;height:28px;font-size:12px;display:inline-grid}.nav{flex-wrap:wrap;gap:4px;display:flex}.nav-link{color:var(--muted);border-radius:999px;padding:7px 14px;font-size:14px;font-weight:500;transition:color .15s,background .15s}.nav-link:hover{color:var(--text);background:var(--panel-2)}.nav-link.active{color:#fff;background:linear-gradient(135deg, var(--accent-1), var(--accent-2))}.main{flex:1;padding-top:28px;padding-bottom:48px}.footer{color:var(--muted);border-top:1px solid var(--border);padding:24px 20px 32px;font-size:13px}.page-head{margin-bottom:22px}.page-title{letter-spacing:-.02em;margin:0 0 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14px;font-size:13px}.btn-ghost:hover{background:var(--panel-2)}.auth-splash-wide{text-align:left;max-width:560px}.auth-splash-wide .auth-title,.auth-splash-wide .auth-sub,.auth-splash-wide .auth-hint{text-align:center}.diag-panel{background:var(--panel-2,#1a1f2b);border:1px dashed var(--border,#262d3a);border-radius:10px;margin-top:28px;padding:16px 18px;font-size:13px}.diag-title{color:var(--text-dim,#9aa4b8);margin:0 0 8px;font-size:14px}.diag-line{margin:4px 0;font-family:ui-monospace,monospace;font-size:12.5px}.diag-verdict{background:#f59e0b1f;border:1px solid #f59e0b59;border-radius:8px;margin-top:10px;padding:10px 12px}.diag-ok{color:#34d399}