:root{--bg: #0b0f1a;--panel: #121826;--panel-2: #0f1524;--text: #e6e8ee;--muted: #a5adcb;--primary: #5b8cff;--primary-900: #2c4aa5;--danger: #ff6b6b;--success: #4cc38a}html,body,#app{height:100%}body{margin:0;background:linear-gradient(180deg,var(--bg),#0e1424),var(--bg);color:var(--text);font:14px/1.4 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.shell{min-height:100%;display:flex;flex-direction:column}.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:#ffffff05;border-bottom:1px solid rgba(255,255,255,.06);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);position:sticky;top:0;z-index:10}.brand{display:flex;gap:10px;align-items:center;font-weight:600;letter-spacing:.3px}.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 20px var(--primary)}.content{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 16px}.container{width:100%;max-width:860px;margin:0 auto}.card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:22px;box-shadow:0 10px 30px #00000040}.card .title{margin:0 0 4px;font-size:22px}.card .subtitle{margin:0 0 16px;color:var(--muted)}.row{display:flex;gap:10px}.row+.row{margin-top:10px}input[type=email],input[type=text]{background:#0b0f1a;color:var(--text);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:10px 12px;font-size:16px;outline:none;width:100%}input::placeholder{color:#7f8aa3}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-radius:10px;padding:10px 14px;font-size:15px;font-weight:600;color:#fff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn.primary{background:linear-gradient(180deg,var(--primary),var(--primary-900))}.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.2);color:var(--text)}.btn:disabled{opacity:.6;cursor:not-allowed}.hint{color:var(--muted);font-size:13px}.danger{color:var(--danger)}.success{color:var(--success)}.spacer{height:16px}.center{text-align:center}.spinner{width:28px;height:28px;border:3px solid rgba(255,255,255,.2);border-top-color:var(--primary);border-radius:50%;animation:rot 1s linear infinite}@keyframes rot{to{transform:rotate(360deg)}}a{color:#9bb4ff;text-decoration:none}a:hover{text-decoration:underline}