.login{min-height:100vh;display:grid;grid-template-columns:minmax(380px,520px) 1fr}.login-card{display:flex;flex-direction:column;justify-content:center;padding:56px 56px 40px;background:var(--surface-sunken);border-right:1px solid var(--border)}.login-title{font-size:40px;font-weight:700;letter-spacing:-.03em;line-height:1.08;margin:0 0 16px}.login-lead{color:var(--ink-2);font-size:15px;line-height:1.6;margin:0 0 28px;max-width:420px}.login-lead b{color:var(--ink);font-weight:600}.login-msg{font-size:13px;border-radius:8px;padding:10px 12px;margin-bottom:14px;border:1px solid var(--border-strong)}.login-msg.info{background:var(--muted-wash);color:var(--ink-2)}.login-msg.warn{background:var(--warning-wash);color:var(--warning-ink);border-color:color-mix(in srgb,var(--warning) 40%,transparent)}.login-msg.bad{background:var(--critical-wash);color:var(--critical-ink);border-color:color-mix(in srgb,var(--critical) 45%,transparent)}.google-btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;height:48px;border-radius:10px;background:#fff;color:#1f1f1f;font-weight:600;font-size:15px;border:1px solid #dadce0;transition:background .15s,transform .05s}.google-btn:hover{background:#f3f4f6;color:#1f1f1f}.google-btn:active{transform:translateY(1px)}.google-btn.disabled{opacity:.45;pointer-events:none}.login-foot{display:flex;flex-direction:column;gap:6px;margin-top:22px;font-size:12px;color:var(--ink-3)}.login-foot span{display:inline-flex;align-items:center;gap:6px}.login-art{display:flex;align-items:center;justify-content:center;padding:48px;min-width:0}.login-art svg{max-width:760px;max-height:86vh}.art-tier{fill:var(--ink-3);font-size:10px;font-weight:700;letter-spacing:.12em}.art-edge{fill:none;stroke:var(--axis);stroke-width:1.5}.art-edge.hot{stroke:var(--critical);stroke-dasharray:5 4;animation:dash 1s linear infinite}@keyframes dash{to{stroke-dashoffset:-18}}.art-packet{fill:var(--accent)}.art-node{fill:var(--surface-2);stroke:var(--border-strong);stroke-width:1.25}.art-node.root{fill:var(--critical-wash);stroke:var(--critical);stroke-width:2}.art-node.cut{fill:var(--surface-2);stroke:var(--critical);stroke-dasharray:3 3}.art-alarm{fill:none;stroke:var(--critical);stroke-width:1.5;animation:alarm 1.8s ease-out infinite;transform-origin:center;transform-box:fill-box}@keyframes alarm{0%{opacity:.8;transform:scale(.7)}to{opacity:0;transform:scale(1.6)}}.art-label{fill:var(--critical)}.art-label-text{fill:#fff;font-size:11.5px;font-weight:650}@media (max-width: 900px){.login{grid-template-columns:1fr}.login-art{display:none}.login-card{padding:40px 24px;border-right:0}.login-title{font-size:32px}}@media (prefers-reduced-motion: reduce){.art-edge.hot,.art-alarm{animation:none}.art-packet{display:none}}