:root{--bg:#070b14;--panel:#0f1629;--panel-border:#1e293b;--fg:#e5e7eb;--muted:#94a3b8;--brand:#1d4ed8;--brand-hover:#2563eb;--danger:#f87171}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{background:var(--bg);color:var(--fg);font:15px/1.5 -apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(900px 500px at 20% -10%,rgba(29,78,216,.28),transparent 60%),radial-gradient(700px 400px at 110% 110%,rgba(37,99,235,.18),transparent 60%),var(--bg)}.login-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--panel-border);border-radius:16px;padding:36px 32px 28px;box-shadow:0 30px 80px rgba(0,0,0,.45)}.login-brand{display:flex;flex-direction:column;align-items:center;gap:14px;margin-bottom:26px}.login-brand img{width:56px;height:56px;border-radius:14px;box-shadow:0 8px 24px rgba(29,78,216,.45)}.login-brand h1{margin:0;font-size:20px;font-weight:600;letter-spacing:-.01em;color:#fff}.login-brand p{margin:0;font-size:13px;color:var(--muted)}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field label{font-size:13px;font-weight:500;color:var(--muted)}.field input{width:100%;padding:11px 13px;border-radius:10px;border:1px solid var(--panel-border);background:#0b1222;color:var(--fg);font:inherit;outline:none;transition:border-color .15s,box-shadow .15s}.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,78,216,.25)}.btn{width:100%;padding:11px 14px;border:0;border-radius:10px;background:var(--brand);color:#fff;font:inherit;font-weight:600;cursor:pointer;transition:background .15s,transform .05s}.btn:hover{background:var(--brand-hover)}.btn:active{transform:translateY(1px)}.error{margin:0 0 16px;padding:10px 12px;border-radius:10px;background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.35);color:var(--danger);font-size:13px}.login-foot{margin-top:22px;text-align:center;font-size:12px;color:var(--muted)}.shell{display:flex;flex-direction:column;height:100vh}.topbar{height:52px;flex:0 0 auto;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--panel-border);background:var(--panel)}.topbar,.topbar .brand{display:flex;align-items:center}.topbar .brand{gap:10px;font-weight:600;color:#fff}.topbar .brand img{width:28px;height:28px;border-radius:7px}.btn-ghost{padding:7px 12px;border-radius:8px;border:1px solid var(--panel-border);background:transparent;color:var(--muted);font:inherit;font-size:13px;cursor:pointer}.btn-ghost:hover{color:#fff;border-color:#334155}.frame{flex:1 1 auto;width:100%;border:0;background:#fff}