.auth-container{position:relative;min-height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#667eea 0,#764ba2 100%);padding:20px;transition:background-color .3s ease}.auth-form{background:var(--surface-bg);border-radius:16px;box-shadow:var(--box-shadow-lg);padding:40px;width:100%;max-width:400px;animation:slideUp .5s ease-out;border:1px solid var(--border-color);transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease}@keyframes slideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.auth-header{text-align:center;margin-bottom:32px}.auth-header h1{font-size:28px;font-weight:700;color:var(--text-color);margin-bottom:8px;transition:color .3s ease}.auth-header p{color:var(--gray-600);font-size:16px;line-height:1.5;transition:color .3s ease}.auth-form .form-group{margin-bottom:24px}.auth-form .form-group label{color:var(--text-color);font-weight:500;margin-bottom:8px;display:block}.auth-form .form-group input{width:100%;padding:16px;border:2px solid var(--border-color);border-radius:12px;font-size:16px;transition:all .3s ease;background:var(--card-bg);color:var(--text-color)}.auth-form .form-group input::placeholder{color:var(--gray-500)}.auth-form .form-group input:focus{outline:0;border-color:var(--primary-color);background:var(--surface-bg);box-shadow:0 0 0 3px var(--primary-light)}.auth-form .form-group input:invalid{border-color:var(--danger-color)}.auth-form .btn{width:100%;padding:16px;font-size:16px;font-weight:600;border-radius:12px;margin-bottom:24px;background:linear-gradient(135deg,var(--primary-color) 0,var(--primary-dark) 100%);border:none;color:#fff;transition:all .3s ease}.auth-form .btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px var(--primary-light)}.auth-links{text-align:center}.auth-links a{color:var(--primary-color);text-decoration:none;font-size:14px;transition:color .3s ease}.auth-links a:hover{color:var(--primary-dark);text-decoration:underline}.auth-error{background:rgba(244,67,54,.1);color:var(--danger-color);padding:12px 16px;border-radius:8px;margin-bottom:20px;border-left:4px solid var(--danger-color);font-size:14px}.auth-success{background:rgba(76,175,80,.1);color:var(--success-color);padding:12px 16px;border-radius:8px;margin-bottom:20px;border-left:4px solid var(--success-color);font-size:14px}.auth-form .btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.auth-form .btn:disabled:hover{transform:none;box-shadow:none}@media (max-width:480px){.auth-form{padding:24px;margin:12px}.auth-header h1{font-size:24px}.auth-header p{font-size:14px}.auth-form .form-group input{padding:12px;font-size:14px}.auth-form .btn{padding:12px;font-size:14px}}