:root{color:#213547;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--bg:#0f172a;--card:#fff;--text:#0f172a;--muted:#64748b;--border:#e2e8f0;--primary:#2563eb;--primary-600:#1d4ed8;background-color:#fff;font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}h1,h2,h3,h4,h5,h6{line-height:1.2}code{font-family:Courier New,monospace}.auth-bg{background:radial-gradient(1200px 600px at 80% -100px,#2563eb40,#0000),radial-gradient(1000px 500px at -10% -50px,#0ea5e933,#0000),linear-gradient(#0f172a 0%,#0b1220 100%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--card);width:100%;max-width:440px;color:var(--text);border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:0 10px 25px #02061714,0 2px 6px #0206170a}.auth-brand{text-align:center;margin-bottom:18px}.auth-title{color:var(--text);margin:0;font-size:22px;font-weight:700}.auth-subtitle{color:var(--muted);margin:4px 0 0;font-size:13px}.auth-tabs{justify-content:center;gap:8px;margin:8px 0 16px;display:flex}.auth-tab{border:1px solid var(--border);color:var(--muted);cursor:pointer;background:#fff;border-radius:999px;padding:8px 14px;font-weight:600}.auth-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.field{margin-bottom:14px}.label{color:var(--muted);margin-bottom:6px;font-size:13px;display:block}.input{border:1px solid var(--border);border-radius:10px;outline:none;width:100%;padding:11px 12px;font-size:14px;transition:border-color .15s,box-shadow .15s}.input:focus{border-color:var(--primary);box-shadow:0 0 0 4px #2563eb26}.error-alert{color:#b91c1c;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;padding:10px 12px;font-size:13px}.btn{appearance:none;cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;font-weight:600;line-height:1;transition:background-color .15s,box-shadow .15s,transform 20ms;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;width:100%;padding:12px 14px;font-size:15px;box-shadow:0 6px 14px #2563eb40}.btn-primary:hover{background:var(--primary-600)}.btn-primary:active{transform:translateY(1px)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.auth-footer{text-align:center;color:var(--muted);margin-top:14px;font-size:12px}.success-alert{color:#185c2b;background:#edf8f0;border:1px solid #86b894;border-radius:8px;margin-bottom:16px;padding:12px}.link-button{color:#075eb5;cursor:pointer;font:inherit;background:0 0;border:0;padding:0;text-decoration:underline}@media (width<=480px){.auth-card{border-radius:14px;padding:22px}}