.auth-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;height:100dvh;background:rgba(0,0,0,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:grid;place-items:center;z-index:9999;padding:20px}.auth-modal{background:#111;width:100%;max-width:450px;margin:auto;border-radius:24px;border:1px solid #333;padding:3rem;position:relative;box-shadow:0 0 100px rgba(0,0,0,.8),0 0 30px rgba(255,75,43,.15);animation:modalEnter .4s cubic-bezier(.16,1,.3,1);max-height:calc(100vh - 40px);overflow-y:auto}@keyframes modalEnter{0%{opacity:0;transform:scale(.9) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.close-btn{position:absolute;top:20px;right:25px;background:transparent;border:none;color:#555;font-size:2.5rem;line-height:1;cursor:pointer;transition:all .2s;z-index:10}.close-btn:hover{color:var(--primary-color);transform:rotate(90deg)}.auth-tabs{display:flex;background:#0a0a0a;border-radius:12px;padding:6px;margin-bottom:2.5rem;border:1px solid #222}.auth-tabs button{flex:1 1;background:transparent;border:none;color:#777;padding:.9rem;border-radius:8px;font-weight:800;text-transform:uppercase;letter-spacing:1px;font-size:.8rem;cursor:pointer;transition:all .3s ease}.auth-tabs button.active{background:var(--primary-color);color:white;box-shadow:0 4px 15px rgba(255,75,43,.4)}.auth-form h2{font-size:2rem;color:#fff;font-weight:900;text-transform:uppercase;letter-spacing:-1px}.auth-error,.auth-form h2{margin-bottom:2rem;text-align:center}.auth-error{background:rgba(255,75,43,.1);color:var(--primary-color);padding:1.2rem;border-radius:12px;font-size:.9rem;border:1px solid rgba(255,75,43,.2)}.input-group{margin-bottom:1.5rem}.input-group label{display:block;font-size:.75rem;color:#666;margin-bottom:.6rem;text-transform:uppercase;letter-spacing:2px;font-weight:800}.input-group input{width:100%;background:#0a0a0a;border:1px solid #222;padding:1.2rem;border-radius:12px;color:white;outline:none;font-size:1rem;transition:all .2s ease}.input-group input:focus{border-color:var(--primary-color);background:#111;box-shadow:0 0 15px rgba(255,75,43,.1)}.submit-btn{width:100%;background:var(--primary-color);color:white;border:none;padding:1.2rem;border-radius:12px;font-size:1rem;font-weight:900;text-transform:uppercase;letter-spacing:1px;cursor:pointer;transition:all .3s;margin-top:1.5rem}.submit-btn:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 15px 30px rgba(255,75,43,.4)}.submit-btn:active{transform:translateY(-1px)}.submit-btn:disabled{opacity:.5;cursor:not-allowed}.auth-modal::-webkit-scrollbar{width:5px}.auth-modal::-webkit-scrollbar-thumb{background:#333;border-radius:10px}@media (max-width:500px){.auth-modal{padding:2rem;border-radius:0;height:100%;max-height:100%;display:flex;flex-direction:column;justify-content:center}.auth-overlay{padding:0}}