:root{--bg-start:#0ea5e9;--bg-end:#8b5cf6;--card-bg:rgba(255,255,255,.86);--card-border:#e5e7eb;--text:#0f172a;--muted:#6b7280;--radius:16px;--shadow:0 10px 30px rgba(2,6,23,.08)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica Neue,Arial,"Apple Color Emoji","Segoe UI Emoji";background:radial-gradient(1200px 800px at 10% 10%,#ffffff1f,#fff0 60%),radial-gradient(1200px 800px at 90% 90%,#ffffff1f,#fff0 60%),linear-gradient(135deg,var(--bg-start),var(--bg-end))}.login-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.auth-card{width:100%;max-width:440px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);padding:28px}.auth-title{margin:0 0 16px;text-align:center;font-size:24px}.btn-group{display:flex;flex-direction:column;gap:12px}.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:48px;border-radius:12px;border:1px solid #e5e7eb;background:#fff;color:#0f172a;font-size:16px;font-weight:600;cursor:pointer;transition:transform .08s ease,box-shadow .2s ease,background .2s ease,color .2s ease;box-shadow:0 1px 2px #0000000a}.btn:focus{outline:3px solid rgba(59,130,246,.4);outline-offset:2px}.btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px #02061714}.btn:active{transform:translateY(0)}.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none}.btn-google{background:#fff;color:#111827}.btn-apple{background:#0f172a;color:#fff;border-color:#0f172a}.btn-apple:hover{background:#0b1220}.btn svg{width:20px;height:20px;display:block}.legal-text{margin-top:12px;font-size:12px;color:var(--muted);text-align:center}@media (max-width: 360px){.auth-card{padding:20px}.auth-title{font-size:20px}.btn{height:44px}}