:root{--bg:#07101d;--surface:#0d1929;--surface2:#12243a;--line:#243751;--text:#eef5ff;--muted:#8fa3bd;--cyan:#31d7c6;--blue:#5c83ff;--danger:#ff647c;--shadow:0 20px 55px rgba(0,0,0,.28)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 82% 5%,rgba(49,215,198,.12),transparent 26rem),radial-gradient(circle at 10% 70%,rgba(92,131,255,.1),transparent 30rem),var(--bg);color:var(--text);font-family:"Segoe UI",Tahoma,Arial,sans-serif;min-height:100vh;font-size:16px}button,input,select,textarea{font:inherit}button{border:0;border-radius:12px;background:linear-gradient(135deg,var(--cyan),#34aedd);color:#04141b;padding:.78rem 1.15rem;font-weight:800;cursor:pointer;transition:.18s transform,.18s filter}button:hover{filter:brightness(1.08);transform:translateY(-1px)}button:disabled{opacity:.55;cursor:wait}.hidden{display:none!important}.eyebrow{margin:0 0 .35rem;color:var(--cyan);font-size:.75rem;font-weight:800;letter-spacing:.15em}.muted{color:var(--muted);line-height:1.7}.login-shell{min-height:100vh;display:grid;place-items:center;padding:1.25rem}.login-card{width:min(430px,100%);padding:2.2rem;background:rgba(13,25,41,.94);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);text-align:center}.brand-mark{width:64px;height:64px;margin:0 auto 1rem;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),var(--blue));border-radius:20px;color:#06101c;font-weight:900;font-size:1.3rem;box-shadow:0 12px 34px rgba(49,215,198,.2)}h1,h2,p{margin-top:0}.login-card h1{font-size:1.8rem}.login-card label{text-align:right;display:block;margin:1.5rem 0 1rem}.login-card button{width:100%}.error{color:#ff8a9d;min-height:1.5rem;margin:1rem 0 0}.dashboard{width:min(1280px,calc(100% - 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1rem,1280px)}.topbar{align-items:flex-start}.health{padding:.6rem}.status-grid{gap:.6rem}.metric{padding:1rem}.panel{padding:1rem}.checks{flex-direction:column}.login-card{padding:1.5rem}}