.auth-container{align-items:center;background-color:#f8f9fa;display:flex;justify-content:center;min-height:calc(100vh - 120px);padding:40px 20px}.auth-card{background:#fff;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.1);max-width:400px;padding:40px;width:100%}.auth-header{margin-bottom:30px;text-align:center}.auth-header h1{color:#000;font-size:28px;font-weight:600;margin-bottom:8px}.auth-header p{color:#666;font-size:16px}.auth-form{width:100%}.form-group{margin-bottom:20px}.form-group label{color:#000;display:block;font-size:14px;font-weight:500;margin-bottom:8px}.form-group input{background-color:#fff;border:1px solid #ddd;border-radius:4px;font-size:16px;height:50px;padding:0 15px;transition:border-color .3s ease;width:100%}.form-group input:focus{border-color:#000;outline:none}.form-group input:invalid{border-color:#e74c3c}.form-options{justify-content:space-between;margin-bottom:30px}.checkbox-label,.form-options{align-items:center;display:flex}.checkbox-label{color:#666;cursor:pointer;font-size:14px}.checkbox-label input[type=checkbox]{display:none}.checkmark{border:1px solid #ddd;border-radius:3px;height:18px;margin-right:8px;position:relative;transition:all .3s ease;width:18px}.checkbox-label input[type=checkbox]:checked+.checkmark{background-color:#000;border-color:#000}.checkbox-label input[type=checkbox]:checked+.checkmark:after{border:solid #fff;border-width:0 2px 2px 0;content:"";height:10px;left:5px;position:absolute;top:2px;transform:rotate(45deg);width:6px}.forgot-link{color:#666;font-size:14px;text-decoration:none;transition:color .3s ease}.forgot-link:hover{color:#000}.auth-btn{background-color:#000;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:16px;font-weight:600;height:50px;letter-spacing:.5px;margin-bottom:20px;transition:background-color .3s ease;width:100%}.auth-btn:hover{background-color:#333}.auth-btn:disabled{background-color:#ccc;cursor:not-allowed}.auth-divider{margin:20px 0;position:relative;text-align:center}.auth-divider:before{background-color:#e0e0e0;content:"";height:1px;left:0;position:absolute;right:0;top:50%}.auth-divider span{background-color:#fff;color:#666;font-size:14px;padding:0 15px}.auth-footer{text-align:center}.auth-footer p{color:#666;font-size:14px}.auth-footer a{color:#000;font-weight:500;text-decoration:none;transition:color .3s ease}.auth-footer a:hover{color:#333}.message{border-radius:4px;font-size:14px;margin-bottom:20px;padding:12px 15px}.message.error{background-color:#fee;border:1px solid #fcc;color:#c33}.message.success{background-color:#efe;border:1px solid #cfc;color:#363}.auth-btn.loading{color:transparent;position:relative}.auth-btn.loading:after{animation:spin 1s linear infinite;border:2px solid #fff;border-radius:50%;border-top-color:transparent;content:"";height:20px;left:50%;margin:-10px 0 0 -10px;position:absolute;top:50%;width:20px}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:768px){.auth-container{min-height:calc(100vh - 100px);padding:20px 15px}.auth-card{border-radius:0;box-shadow:none;padding:30px 20px}.auth-header h1{font-size:24px}.form-options{align-items:flex-start;flex-direction:column;gap:15px}}@media (max-width:480px){.auth-container{padding:15px 10px}.auth-card{padding:25px 15px}.auth-header h1{font-size:22px}.auth-header p{font-size:14px}.auth-btn,.form-group input{font-size:15px;height:45px}}.auth-card.register{max-width:450px}.password-requirements{color:#666;font-size:12px;line-height:1.4;margin-top:5px}.password-requirements ul{margin:5px 0 0 15px;padding:0}.password-requirements li{margin-bottom:2px}.password-requirements li.valid{color:#27ae60}.password-requirements li.invalid{color:#e74c3c}.back-link{align-items:center;color:#666;display:inline-flex;font-size:14px;margin-bottom:20px;text-decoration:none;transition:color .3s ease}.back-link:hover{color:#000}.back-link svg{margin-right:5px}