.split-auth-overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;padding:1.5rem;background:rgba(15,23,42,.45);backdrop-filter:blur(16px) saturate(160%);-webkit-backdrop-filter:blur(16px) saturate(160%);z-index:60}.split-auth-modal{display:flex;width:min(100%,980px);min-height:560px;border-radius:28px;overflow:hidden;background:#fff;box-shadow:0 24px 48px rgba(15,23,42,.18),0 12px 24px rgba(15,23,42,.12);position:relative}.split-auth-close{position:absolute;top:18px;right:18px;width:40px;height:40px;border:none;border-radius:50%;background:hsla(0,0%,100%,.85);color:#64748b;font-size:24px;cursor:pointer;display:grid;place-items:center;transition:transform .2s ease,box-shadow .2s ease;z-index:5}.split-auth-close:hover{transform:scale(1.05);box-shadow:0 10px 20px rgba(15,23,42,.15)}.split-auth-left{flex:1;background-size:cover;background-position:50%;position:relative;color:#fff;display:flex;align-items:flex-end;justify-content:flex-start}.split-auth-left:after{content:"";position:absolute;inset:0;background:linear-gradient(140deg,rgba(15,23,42,.75),rgba(15,118,110,.85))}.split-auth-left-content{position:relative;z-index:1;padding:48px 40px;max-width:340px;display:grid;gap:24px}.split-auth-left-content h1{font-size:32px;font-weight:700;line-height:1.1;letter-spacing:-.01em;margin:0}.split-auth-left-content p{margin:0;font-size:15px;line-height:1.5;color:hsla(0,0%,100%,.85)}.split-auth-features{display:grid;gap:16px}.split-auth-feature{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:12px}.split-auth-feature-icon{width:40px;height:40px;border-radius:16px;background:hsla(0,0%,100%,.16);display:grid;place-items:center;font-size:18px}.split-auth-feature strong{display:block;font-size:15px;font-weight:600}.split-auth-feature p{margin:4px 0 0;font-size:13px;color:hsla(0,0%,100%,.7)}.split-auth-right{flex:1;background:#fff;display:flex;align-items:center;justify-content:center;padding:48px 40px}.split-auth-form{width:100%;max-width:360px;display:grid;gap:20px}.split-auth-form h2{margin:0;font-size:26px;font-weight:600;color:#0f172a}.split-auth-subtitle{margin:0;font-size:14px;color:#475569}.split-auth-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-group{display:grid;gap:8px}.form-group label{font-size:13px;font-weight:500;color:#1f2937}.form-group input{height:44px;padding:0 14px;border-radius:12px;border:1px solid #cbd5f5;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease}.form-group input:focus{outline:none;border-color:#0f766e;box-shadow:0 0 0 3px rgba(20,184,166,.25)}.form-group.checkbox{display:flex;align-items:center;gap:10px;font-size:13px;color:#475569}.split-auth-error{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);color:#b91c1c;border-radius:12px;padding:12px 14px;font-size:13px}.button{height:46px;border-radius:999px;border:none;background:linear-gradient(135deg,#0f766e,#14b8a6);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 12px 24px rgba(20,184,166,.25)}.button:disabled{opacity:.6;cursor:not-allowed}.split-auth-switch{border:none;background:transparent;color:#0f766e;font-size:14px;font-weight:500;cursor:pointer;text-decoration:underline;text-underline-offset:4px;justify-self:start}@media (max-width:900px){.split-auth-modal{flex-direction:column;max-width:640px}.split-auth-left,.split-auth-right{width:100%}.split-auth-left{min-height:220px}.split-auth-left-content{padding:36px 28px}.split-auth-right{padding:32px 28px 40px}}@media (max-width:520px){.split-auth-overlay{padding:1rem}.split-auth-modal{border-radius:20px}.split-auth-left-content{padding:28px 22px;gap:18px}.split-auth-left-content h1{font-size:26px}.split-auth-right{padding:28px 22px 36px}.split-auth-grid{grid-template-columns:1fr}}