*{box-sizing:border-box}body{margin:0;background:#f6f8fb;color:#152033;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.maintenance-shell{position:relative;overflow:hidden;display:flex;min-height:100vh;align-items:center;justify-content:center;padding:32px;background:radial-gradient(circle at 20% 18%,rgba(245,158,11,.16),transparent 28%),radial-gradient(circle at 80% 72%,rgba(20,184,166,.14),transparent 28%),linear-gradient(135deg,rgba(15,23,42,.04),rgba(15,118,110,.08)),#f8fafc}.construction-beam{position:absolute;right:-120px;bottom:9%;width:520px;height:72px;transform:rotate(-12deg);border:1px solid rgba(120,53,15,.18);background:repeating-linear-gradient(45deg,#f59e0b 0 22px,#f59e0b 22px 42px,#152033 42px 64px,#152033 64px 84px);box-shadow:0 22px 60px rgba(21,32,51,.18);animation:beam-slide 8s linear infinite}.maintenance-panel{position:relative;width:min(720px,100%);padding:42px;border:1px solid #dbe3ee;border-radius:8px;background:hsla(0,0%,100%,.94);box-shadow:0 24px 70px rgba(21,32,51,.12)}.maintenance-visual{display:flex;align-items:center;gap:18px;margin-bottom:22px}.hard-hat{position:relative;width:86px;height:58px;border-radius:46px 46px 12px 12px;background:#f59e0b;box-shadow:inset 0 -8px 0 rgba(120,53,15,.16);animation:hat-bob 1.8s ease-in-out infinite}.hard-hat span,.hard-hat:after,.hard-hat:before{content:"";position:absolute;background:hsla(0,0%,100%,.38)}.hard-hat:before{left:40px;top:8px;width:8px;height:38px;border-radius:8px}.hard-hat:after{left:-8px;right:-8px;bottom:-8px;height:14px;border-radius:10px;background:#d97706}.hard-hat span{left:17px;top:14px;width:8px;height:28px;border-radius:8px}.signal{display:flex;gap:8px;align-items:center}.signal i{display:block;width:10px;height:10px;border-radius:50%;background:#0f766e;animation:signal-pulse 1.2s ease-in-out infinite}.signal i:nth-child(2){animation-delay:.18s}.signal 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button{min-height:32px;background:#152033;font-size:13px}.snippet p{margin:10px 0 0;color:#334155;line-height:1.7}.chat-panel{margin-top:16px;padding:18px;border:1px solid #dbe3ee;border-radius:8px;background:#fff}.chat-panel>div:first-child p{color:#64748b}.chat-box{display:grid;grid-gap:10px;gap:10px;min-height:120px;margin:14px 0}.message{max-width:760px;padding:12px;border-radius:8px;line-height:1.7}.message.user{margin-left:auto;background:#0f766e;color:#fff}.message.assistant{background:#f1f5f9;color:#334155}.chat-input{display:flex;gap:10px}.chat-input input{margin-bottom:0}@media (max-width:980px){.shell{padding:20px}h1{font-size:30px}.grid{grid-template-columns:1fr}.score-grid{grid-template-columns:repeat(2,1fr)}.chat-input{flex-direction:column}.panel{min-height:auto}}@media (max-width:640px){.maintenance-shell{align-items:flex-start;padding:22px}.maintenance-panel{padding:28px}.maintenance-panel h1{font-size:34px}.maintenance-copy{font-size:16px}}